标准号 |
中文名称 |
英文名称 |
| DIN 4551-1988 |
办公室家具.带或不带扶手的可调靠背的办公转椅.安全技术要求.检验 |
(Office furniture; office swivel chairs; safety requirements, testing) |
| DIN 45510-1985 |
磁声技术.概念 |
(Magnetic sound recording; terminology) |
| DIN 45513-1-1982 |
磁带录音机.6号磁带用的DIN标准磁带76 |
(DIN calibration-tape 76 for magnetic tape with 6,3 mm width) |
| DIN 45520-1973 |
磁带录音机.磁带上剩余磁通量的绝对值和频率特性曲线的测量方法 |
(Magnetic tape recorders; measurement of the absolute level of the magnetic flux and its frequency response on magnetic tapes) |
| DIN 45524-1971 |
磁带录音机带速的测定 |
(Evaluation of the tape speed of magnetic tape transports) |
| DIN 45529-1976 |
磁带录音机.用4号磁带的盒式录音机频率波动变化的测量盒 |
(Recorder for tape cassettes; cassette to measure fluctuation of tape speed of recorders with tape 4) |
| DIN 4553-1986 |
办公室家具.概念 |
(Office furniture; concepts) |
| DIN 45541-1971 |
频率测试唱片st33和M33 |
(Frequency Test Record St 33 and M 33 (33 1/3 rev/min; Stereo and Mono)) |
| DIN 45542-1969 |
失真测试唱片st33和st45 |
(Distortion test record St 33 and St 45 (33/ or 45 rev/min; stereo)) |
| DIN 45543-1984 |
测试频率响应和频率间隔的测试唱片 |
(Frequency response and separation test record) |
| DIN 45544-1971 |
杂音测试唱片st33和M33 |
(Rumble Measurement Test Record; St 33 and M 33) |
| DIN 45545-1966 |
同步测试唱片331/3和45转/分 |
(Wow and Flutter Test Records 33 1/3 and 45 U/min (r.p.m.)) |
| DIN 45549-1980 |
拾音能力测试唱片 |
(Tracking ability-test-record) |
| DIN 45550-1976 |
唱片套.外套和内套.尺寸和标记 |
(Record-sleeves; outer- and inner-sleeves, dimensions and inscription) |
| DIN 45551-1976 |
30cm唱片用唱片盒.尺寸与标志 |
(Presentation-box for 30 cm-records; dimensions and inscription) |
| DIN 4556-1983 |
办公室家具.办公室工作位置的踏脚.要求.尺寸 |
(Office furniture; footrests for working position; requirements, dimensions) |
| DIN 45571-1983 |
圆形及椭圆形扬声器的框架.尺寸 |
(Frames for round and ovale loudspeakers; dimensions) |
| DIN 45578-1-1987 |
动圈式扬声器的磁系统.概念.尺寸.测量方法 |
(Magnet systems for moving coil loudspeakers; definitions, dimensions, methods of measurement) |
| DIN 45604-1957 |
电助听器.耳机连接线 |
(Electric hearing aids; connecting cords for earphones) |
| DIN 45605-1989 |
电助听器.声学特性的数字表示法 |
(Hearing aids; numerical expression of acoustical performance characteristics) |
| DIN 45621-1-1995 |
听力测试用词.第1部分:单音节和多音节词 |
(Word lists for recognition tests - Part 1: Monosyllabic and polysyllabic words) |
| DIN 45621-3-1985 |
听力测试用词.儿童听力测试用词 |
(Speech material used in audiology; word lists for intelligibility testing in paediatric audiology) |
| DIN 45626-1-1995 |
听力检验用载声体.第1部分:按照DIN45621T.1规定词录制的载声体 |
(Sound carrier with speech for recognition tests - Part 1: Sound carrier with wordlists in accordance with DIN 45621-1 (Recording 1969)) |
| DIN 45631-1991 |
响度级和噪声频谱响度的计算.E·茨韦克法 |
(Procedure for calculating loudness level and loudness) |
| DIN 45635 Bb.1-1979 |
机器噪声测量.空气载声测量.包面法.包面法测量报告表 |
(Measurement of noise emitted by machines; Airborne noise measurement, enveloping surface method; Test report (test record) form for enveloping surface method) |
| DIN 45635 Bb.2-1977 |
机器噪声测量.对噪声发射参数的说明 |
(Measurement of noise emitted by machines; Explanatory notes on noise emission parameters) |
| DIN 45635 Bb.3-1982 |
机器噪声测量.ＤＩＮ４５６３５各标准涉及的机器类型 |
(Measurement of noise emitted by machines; list of machines dealt with in DIN 45635 - parts) |
| DIN 45635-11-1987 |
机器噪声测量.空气载声测量.包面法.内燃机 |
(Measurement of noise emitted by machines; airborne noise emission, enveloping surface method; internal combustion engines) |
| DIN 45635-12-1978 |
机器噪声测量.空气载声测量.包面法.配电装置 |
(Measurement of noise emitted by machines; Airborne noise measurement, enveloping surface method; Electrical switchgear and control gear) |
| DIN 45635-13-1977 |
机器噪声测量.空气载声测量.包面法.空气压缩机包括真空泵（活塞式.涡轮式和喷射式压缩机） |
(Measurement of airborne noise emitted by machines; enveloping surface method, compressors, vacuum pumps included (displacement-, turbo- and jet compressors)) |
| DIN 45635-14-1980 |
机器噪声测量.空气载声测量.包面法.气冷热交换器（空气冷却器） |
(Noise Measurement on Machines; Airborne Noise Measurement, Enveloping Surface Method, Air-cooled Heat Exchangers (Air Coolers)) |
| DIN 45635-15-1987 |
机器噪声测量.空气载声测量.包面法.发电机用热能设备中的涡轮机组 |
(Measurement of airborne noise emitted by machines; enveloping surface method; turbogenerator sets for use in thermal power stations) |
| DIN 45635-16-1978 |
机器噪声测量.空气载声测量.包面法.机床 |
(Measurement of Airborne Noise Emitted by Machines; Enveloping Surface Method, Machine Tools) |
| DIN 45635-1601-1978 |
机器噪声测量.空气载声测量.包面法.金属加工机床.车床特殊规定 |
(Measurement of Airborne Noise Emitted by Machines; Enveloping Surface Method; Metal Processing Machine, Tools Special, Stipulations for Lathes) |
| DIN 45635-1602-1978 |
机器噪声测量.空气载声测量.包面法.金属加工机床.模锻锤的特殊规定 |
(Measurement of Airborne Noise Emitted by Machines; Enveloping Surface Method; Metal Processing Machine Tools; Special Stipulations for Drop Forging Hammers) |
| DIN 45635-1603-1978 |
机器噪声测量.空气载声测量.包面法.金属加工机床.通用压力机的特殊规定 |
(Measurements of Airborne Noise Emitted by Machines; Enveloping Surface Method; Metal Processing Machine Tools; Special Stipulations for Universal Presses) |
| DIN 45635-1605-1981 |
机器噪声测量.空气载声测量.包面法.金属加工机床.铣床的特殊规定 |
(Measurement of airborne noise emitted by machines; enveloping surface method; metal working machines; milling machines) |
| DIN 45635-1606-1984 |
机器噪声测量.空气载声测量.包面法.金属加工机床.钻床的特殊规定 |
(Measurement of airborne noise emitted by machines; enveloping surface method; metal working machines, drilling machines) |
| DIN 45635-1607-1984 |
机器噪声测量.空气载声测量.包面法.金属加工机床.滚齿机的特殊规定 |
(Measurement of airborne noise emitted by machines; enveloping surface method; metal working machines, gear hobbing machines) |
| DIN 45635-1609-1984 |
机器噪声测量.包面法.金属加工机床.圆盘锯 |
(Measurement of airborne noise emitted by machines; enveloping surface method; metal working machines, circular sawing machines) |
| DIN 45635-1610-1984 |
机器噪声测量.空气载声测量.包面法.金属加工机床.磨床的特殊规定 |
(Measurement of airborne noise emitted by machines; enveloping surface method; metal working machines grinding machines) |
| DIN 45635-1650-1978 |
机器噪声测量.空气载声测量.包面法.木工机床.刨床的特殊规定 |
(Measurement of airborne noise emitted by machines; enveloping surface method, woodworking machines, planing machines) |
| DIN 45635-1651-1990 |
机器噪声测量.空气载声测量.包面法.木工机床.台式圆盘锯的特殊规定 |
(Measurement of airborne noise emitted by machines; enveloping surface method; woodworking machines; single blade circular saw benches) |
| DIN 45635-1652-1978 |
机器噪声测量.空气载声测量.包面法.木工机床.单面铣床的特殊规定 |
(Measurement of airborne noise emitted by machines; enveloping surface method, woodworking machines, one side moulding machines) |
| DIN 45635-1653-1982 |
机器噪声测量.空气载声测量.包面法.木工机床.双端铣床的特殊规定 |
(Measurement of noise emitted by machines; Airborne noise measurement, enveloping surface method; Woodworking machines; Special specifications for double end shaping machines) |
| DIN 45635-1654-1982 |
机器噪声测量.空气载声测量.包面法.木工机床.边缘胶合加工机床的特殊规定 |
(Measurement of noise emitted by machines; Airborne noise measurement, enveloping surface method; Woodworking machines; Special specifications for multistage edge lipping and banding machines) |
| DIN 45635-1655-1982 |
机器噪声测量.空气载声测量.包面法.木工机床.精切边机胶合加工机床的特殊规定 |
(Measurement of noise emitted by machines; Airborne noise measurement, enveloping surface method; Woodworking machines; Special specifications for final trimming machines and edge lipping and banding machines) |
| DIN 45635-1656-1982 |
机器噪声测量.空气载声测量.包面法.木工机床.双面及多面刨铣床的特殊规定 |
(Measurement of noise emitted by machines; Airborne noise measurement, enveloping surface method; Woodworking machines; Special specifications for two-side and multi-side planing and milling machine) |
| DIN 45635-1657-1983 |
机器噪声测量.空气载声测量.包面法.木工机床.双截圆锯的特殊规定 |
(Measurement of airborne noise emitted by machines; enveloping surface method; woodworking machines; double dimensions circular sawing machines) |
| DIN 45635-1658-1986 |
机器噪声测量.空气载声测量.包面法.木工机床.横切单片式圆弓锯的特殊规定 |
(Measurement of airborne noise emitted by machines; enveloping surface method; woodworking machines; single blade stroke circular sawing machines for cross-cutting) |
| DIN 45635-1659-1986 |
机器噪声测量.空气声测量.包面法.木工机床.板材成形圆锯机的特殊规定 |
(Measurement of airborne noise emitted by machines; enveloping surface method; woodworking machines; panel sizing machines) |
| DIN 45635-1660-1986 |
机器噪声测量.空气载声测量.包面法.木工机床.平面铣床的特殊规定 |
(Measurement of airborne noise emitted by machines; enveloping surface method; woodworking machines; routing machines) |
| DIN 45635-1661-1986 |
机器噪声测量.空气载声测量.包面法.木工机床.台式及分离式带锯的特殊规定 |
(Measurement of airborne noise emitted by machines; enveloping surface method; woodworking machines; table band sawing machines) |
| DIN 45635-1662-1986 |
机器噪声测量.空气载声测量.包面法.木工机床.单侧轴颈加工机和开槽机的特殊规定 |
(Measurement of airborne noise emitted by machines; enveloping surface method; woodworking machines; single-end tenoning machines with several spindles) |
| DIN 45635-1663-1987 |
机器噪声测量.空气载声测量.包面法.木工机床.磨床(宽面)特殊规定 |
(Measurement of airborne noise emitted by machines; enveloping surface method; woodworking machines sanding machines) |
| DIN 45635-1664-1987 |
机器噪声测量.空气载声测量.包面法.木工机床.精切用多面功能圆锯床的特殊规定 |
(Measurement of airborne noise emitted by maschines; enveloping surface method; woodworking machines; multi-blade circular sawing machines) |
| DIN 45635-1665-1988 |
机器噪声测量.气载声传播.包面法.木工机床.两面加工用轴颈加工机床和凿榫机的特殊规定 |
(Measurement of airborne noise emitted by machines; enveloping surface method; woodworking machines; double end tenoning machines) |
| DIN 45635-1666-1988 |
机器噪声测量.气载声传播.包面法.木工机床.大型切割(双面锯)用两面和多面圆锯床的特殊规定 |
(Measurement of airborne noise emitted by machines; enveloping surface method; woodworking machines; double edging circular sawing machines for rough cutting) |
| DIN 45635-1667-1988 |
机器噪声测量.气载声传播.包面法.木工机床.双面圆锯床(双顶斜切锯床)的特殊规定 |
(Measurement of airborne noise emitted by machines; enveloping surface method; woodworking machines; double blade stroke circular sawing machines for cross cutting) |
| DIN 45635-21-1992 |
机器噪音的测量.空气传声测量.包面测量法.电动工具 |
(Measurement of airborne noise emitted by machines; enveloping surface method; electric tools) |
| DIN 45635-2101-1992 |
机器噪音的测量.空气传声测量.包面测量法.电动工具.手持圆盘锯的附加规定 |
(Measurement of airborne noise emitted by machines; enveloping surface method; electric tools; additional specifications for hand held circular saws) |
| DIN 45635-2102-1992 |
机器噪音的测量.空气传声测量.包面测量法.电动工具.剌锯的附加规定 |
(Measurement of airborne noise emitted by machines; enveloping surface method; electric tools; additional specifications for electric compass saws) |
| DIN 45635-2103-1992 |
机器噪音的测量.空气传声测量.包面测量法.电动工具.上端手柄杆成型工具的附加规定 |
(Measurement of airborne noise emitted by machines; enveloping surface method; electric tools; additional specifications for top spindle moulders) |
| DIN 45635-2104-1992 |
机器噪音的测量.空气传声测量.包面测量法.电动工具.刨煤机的附加规定 |
(Measurement of airborne noise emitted by machines; enveloping surface method; electric tools; additional specifications for hand-held planing machines) |
| DIN 45635-2105-1992 |
机器噪音的测量.空气传声测量.包面测量法.电动工具.冲击钻的附加规定 |
(Measurement of airborne noise emitted by machines; enveloping surface method; electric tools; additional specifications for percussion drills) |
| DIN 45635-2106-1992 |
机器噪音的测量.空气传声测量.包面测量法.电动工具.冲击螺丝机的附加规定 |
(Measurement of airborne noise emitted by machines; enveloping surface method; electric tools; additional specifications for impact screw drivers) |
| DIN 45635-22-1985 |
机器噪声测量.空气载声测量.包面法.火炬 |
(Measurement of noise emitted by machines; airborne noise emission; enveloping surface method; flares) |
| DIN 45635-23-2003 |
机器噪声测量.空气噪声发射包络面法.第23部分:齿轮变速器 |
(Measurement of noise emitted by machines - Airborne noise emission enveloping surface method - Part 23: Gear transmisson) |
| DIN 45635-25-1980 |
机器噪声测量.空气载声测量.包面法.气焊及等离子焊喷嘴和机器 |
(Measurement of airborne noise emitted by machines; enveloping surface method, oxy-fuel gas and plasma torches and machines) |
| DIN 45635-26-1979 |
机器噪声测量.空气载声测量.包面法.液体泵 |
(Measurement of airborne noise emitted by machines; enveloping surface method, hydraulic pumps) |
| DIN 45635-27-1989 |
机器噪声测量.空气载声测量.包面法.印刷机和纸张加工机 |
(Measurement of airborne noise emitted by machines; enveloping surface method; printing and paper processing machines) |
| DIN 45635-28-1980 |
机器噪声测量.空气载声测量.包面法.包装及其有关机器 |
(Measurement of airborne noise emitted by machines; enveloping surface method; packaging and allied machinery) |
| DIN 45635-29-1980 |
机器噪声测量.空气载声测量.包面法.制造食品.饮料.化妆品及药品的机器 |
(Measurement of airborne noise emitted by machines; enveloping surface method; food, drink and allied machinery) |
| DIN 45635-31 Bb.1-1984 |
机器噪声测量.空气载声测量.包面法.测量报告表.粉碎机 |
(Measurement of airborne noise emitted by machines; enveloping surface method; form for measurement report, comminuting machines) |
| DIN 45635-31-1980 |
机器噪声测量.空气载声测量.包面法.粉碎机 |
(Measurement of airborne noise emitted by machines; enveloping surface method, comminuting machines) |
| DIN 45635-33-1979 |
机器噪声测量.空气载声测量.包面法.建筑机械 |
(Measurement of airborne noise emitted by machines; enveloping surface method, construction equipment) |
| DIN 45635-34-1984 |
机器噪声测量.空气载声测量.包面法.螺栓装配工具 |
(Measurement of airborne noise emitted by machines; enveloping surface method; cartridge-operated fixing tools) |
| DIN 45635-37-1980 |
机器噪声测量.空气载声测量.包面法.塑料和橡胶加工机器 |
(Measurement of airborne noise emitted by machines; enveloping surface method; machinery for the processing of plastic and rubber) |
| DIN 45635-38-1986 |
机器噪声测量.空气载声测量.包面法.混响室法及通道法.排风扇 |
(Measurement of noise emitted by machines; airborne noise emission; enveloping surface method, reverberation room method and in-duct method; fans) |
| DIN 45635-40-1987 |
机器噪声测量.空气载声测量.包面法.水力发电设备和水泵设备机组 |
(Measurement of airborne noise emitted by machines; enveloping surface method; machine sets in hydroelectric power stations and water pumping plants) |
| DIN 45635-41 Bb.1-1986 |
机器噪声测量.空气载声测量.包面法.液压机组.测量报告表 |
(Measurement of noise emitted by machines; airborne noise emission; enveloping surface method; hydraulic assemblies (test report specimen form)) |
| DIN 45635-41-1986 |
机器噪声测量.空气载声测量.包面法.液压机组 |
(Measurement of noise emitted by machines; airborne noise emission; enveloping surface method; hydraulic assemblies) |
| DIN 45635-42-1984 |
机器噪声测量.空气载声测量.包面法.造纸机 |
(Measurement of airborne noise emitted by machines; enveloping surface method; pulp and paper machinery) |
| DIN 45635-45-1988 |
机器噪声测量.空气载声测量.包面法.连续输送机 |
(Measurement of airborne noise emitted by machines; enveloping surface method; continuous handling equipment) |
| DIN 45635-46-1985 |
机器噪声测量.空气载声测量.包面法.冷却塔 |
(Measurement of noise emitted by machines; airborne noise emission; enveloping surface method; cooling towers) |
| DIN 45635-47-1985 |
机器噪声测量.空气载声测量.包面法.烟囱 |
(Measurement of noise emitted by machines; airborne noise emission; enveloping surface method; chimneys) |
| DIN 45635-48-1987 |
机器噪声测量.空气载声测量.包面和混响室测量法.工业缝纫机和工业缝纫成套设备 |
(Measurement of airborne noise emitted by machines; enveloping surface and reverberation room method; industrial sewing machines and industrial sewing units) |
| DIN 45635-49 Bb.1-1986 |
机器噪声测量.空气载声测量.包面法.表面处理设备.测量示例 |
(Measurement of airborne noise emitted by machines; enveloping surface method; surface treatment plant; measurement example) |
| DIN 45635-49-1986 |
机器噪声测量.空气载声测量.包面法.表面处理设备 |
(Measurement of noise emitted by machines; airborne noise emission; enveloping surface method; surface treatment plants) |
| DIN 45635-50-1987 |
机器噪声测量.空气载声测量.包面法.附件 |
(Measurement of noise emitted by machines; airborne noise measurement, enveloping surface method; valves) |
| DIN 45635-51-1988 |
机器噪音测量.空气载声测量.包面法.拍摄移动过程的摄影机 |
(Measurement of airborne noise emitted by machines; enveloping surface method; motion picture cameras) |
| DIN 45635-52-1986 |
机器噪声测量.空气载声测量.包面法.矿山柴油机车和柴油驱动的矿山铁路车 |
(Measurement of airborne noise emitted by machines; enveloping surface method; mine diesel locomotives and mine road railers) |
| DIN 45635-53-1986 |
机器噪声测量.空气载声测量.包面法.柴油牵引车 |
(Measurement of airborne noise emitted by machines; enveloping surface method; diesel traction trolleys) |
| DIN 45635-54-1986 |
机器噪声测量.空气载声测量.包面法.矿山无轨车辆 |
(Measurement of airborne noise emitted by machines; enveloping surface method; mine trackless vehicles) |
| DIN 45635-55-1986 |
机器噪声测量.空气噪声测量.包面法.磨擦轮和(或)齿轮传动的调运车 |
(Measurement of airborne noise emitted by machines; enveloping surface method; shunting trolleys with friction-wheel and/or gearwheel drive) |
| DIN 45635-56-1986 |
机器噪声测量.空气载声测量.包面法和通道法.热风发生器.空气加热器.空气流动设备通风机部件 |
(Measurement of noise emitted by machines; airborne noise emission; enveloping surface method and in-duct method; fan-assisted warm air generators, fan-assisted air heaters and fan units of air handling devices) |
| DIN 45635-57-1986 |
机器噪声测量.空气载声测量.包面法.艇外推进机 |
(Measurement of noise emitted by machines; airborne noise emission; enveloping surface method; outboard motors) |
| DIN 45635-60-1989 |
机器噪声测量.空气载声测量.包面法.静止图象和运动图象投影机 |
(Measurement of airborne noise emitted by machines; enveloping surface method; still picture and motion-picture projectors) |
| DIN 45635-61-1990 |
机器噪音测量.空气载声测量.包面法.起重机 |
(Measurement of airborne noise emitted by machines; enveloping surface method; cranes) |
| DIN 45635-62-1989 |
机器噪声测量.空气载射测量.包面法.生产混凝土柱石.板.管子和预制件的机器和设备 |
(Measurement of airborne noise emitted by machines; enveloping surface method; machines and equipment for the manufacture of concrete blocks, slabs, pipes and prefabricated elements) |
| DIN 45635-8-1985 |
机器噪声测量.空气载声测量.固体声测量.基本测量法 |
(Determination of airborne noise emitted by machines by, measurement of structure borne noise; basic requirements) |
| DIN 45637-1968 |
有轨车辆外部噪声测量 |
(Measurement of noise emitted by railway-vehicles) |
| DIN 45638-1971 |
有轨车辆内部噪声测量 |
(Measurement of inside noise in railbound vehicles) |
| DIN 45640-2-1993 |
内河航运船舶发出的噪声测量.测定声功率级的包面测量法 |
(Noise emitted by vessels on inland water-ways and harbours; enveloping surface method for the determination of the sound power level) |
| DIN 45641-1990 |
声级平均值 |
(Averaging of sound levels) |
| DIN 45642-2004 |
交通噪音的测量 |
|
| DIN 45643-1-1984 |
飞机噪声测量和评定.测试值和特性值 |
(Measurement and assessment of aircraft noise; quantities and parameters) |
| DIN 45643-2-1984 |
飞机噪声测量和评定.根据空中交通法规19a规定的飞行噪声监控系统 |
(Measurement and assessment of aircraft noise; aircraft noise monitoring systems within the meaning of article 19a of the Luftverkehrsgesetz (Civil Aviation Law)) |
| DIN 45643-3-1984 |
飞机噪声测量和评定.飞行噪声污染评价数的测定 |
(Measurement and assessment of aircraft noise; determination of rating level of aircraft noise exposure) |
| DIN 45645-1-1996 |
从测量的数据中算出评定声级.邻里间的噪声污染 |
(Determination of rating levels from measurement data - Part 1: Noise immission in the neighbourhood) |
| DIN 45645-2-1997 |
从测量中做评定声级的计算.第2部分:工作现场的噪声污染 |
(Determination of rating levels from measurements - Part 2: Noise immissions at the work place) |
| DIN 45657-1997 |
声级计.对特殊测量任务的附加要求 |
(Sound level meters - Additional requirements for special measuring tasks) |
| DIN 45657-2005 |
声级计.特殊测量任务的附加要求 |
|
| DIN 45661-1998 |
振动测量装置.概念 |
(Vibration measuring instrumentation - Vocabulary) |
| DIN 45662-1996 |
振动测量仪器.一般要求和检验 |
(Vibration measuring instrumentation - Fundamental requirements and verification) |
| DIN 45667-1969 |
随机振动评定的分类方法 |
(Classification methods for evaluation of random vibrations) |
| DIN 45669-1-1995 |
振动影响的测量.第1部分:振动计.要求.检验 |
(Measurement of vibration immission - Part 1: Vibration meters; requirements, verification) |
| DIN 45669-2-1995 |
振动影响的测量.测量方法 |
(Measurement of vibration immission - Part 2: Measuring method) |
| DIN 45669-2-2005 |
振动影响的测量.第2部分:测量方法 |
|
| DIN 45671-1-1990 |
工作现场的机械振动测量.测振计.要求.检验 |
(Measurement of exposure tooccupational vibration; vibrometers; requirements and testing) |
5分钟获取标准报价 咨询电话：010-6973-5438 QQ：31794-7760 MSN:wwtrans#126.com