通用橋式起重機(jī) 限界尺寸 Boundary dimensions of E.O.T.cranes
機(jī)動(dòng)工業(yè)車輛 控制符號 Powered industrial trucks--Control symbols
渦輪分子泵性能測試方法 Methods of measurement of the performance characteristics of tubo-molecular pumps
往復(fù)活塞壓縮機(jī)機(jī)械振動(dòng)測量與評價(jià) Measurement and evluation of mechanical vibration of reciprocating piston compressors
制冷劑編號表示方法 Number designation of refrigerants