vertical reciprocation pump 立式往复泵

reciprocation pump in series 串联往复泵

reciprocation pump with unidirectional pistons 具有单向活塞的往复泵

Double action reciprocation pump 双作用往复泵

gas-liquid reciprocation pump 气液活塞泵

reciprocation piston pump 往复泵

reciprocation single piston pump 往复式单缸泵

reciprocation duplex pump 往复式双缸泵

reciprocation scavenge pump 往复式扫气泵