Displacement pumps . electrically driven proportioning pumps for waste water treatment . tests 活塞泵.废水处理用电驱动定量泵.试验
Axial piston pump 轴向活塞泵
Gas analysis . method for the dynamic preparation of gas mixtures for calibration by proportioning piston pumps 气体分析.定量活塞泵校准用气体混合物的动态制备方法
Oscillating displacement pump which may achieve a considerably longer trouble - free operation than a conventional diaphragm piston pump 往复式容积泵，有比传统隔膜活塞泵长的多的无故障运行时间。
Hydraulic fluid power . fixed displacement pumps . flow degradation due to classified ac fine test dust contaminant . test method 液压动力.固定式活塞泵.由于ac级细粒粉尘污染引起的流动降缓.试验方法
The hose diaphragm piston pumps are hermetically sealed , leakproof , oscillating displacement pumps with a unique technical and economical value 软管隔膜活塞泵是严密密封、无泄露往复式容积泵，具有独一无二的技术和经济价值。
Hydraulic fluid power - dimensions and identification code for mounting flanges and shaft ends of displacement pumps and motors - part 2 : metric series 液压流体动力.活塞泵和电动机的安装法兰盘和轴端的尺寸及标识代码.第2部分:米制系列
It is known that the use of traditional diaphragm piston pumps lays down certain limits for handling mechanically or chemically aggressive and / or abrasive media 众所周知，传统的隔膜活塞泵在处理具有机械或化学侵蚀性的或磨蚀性的介质时，会受到一定的限制。
