【机械工程】活塞往复式发动机，流体静力学式（往复活塞式马达）【机械工程】往复活塞式发动机，液压的（往复活塞式液压马达）

moisture separation in the reciprocating-piston pump

equalisation of pulses, compressed-air chamber, reciprocating-piston pump

hydrostatic engines of reciprocating-piston type with

pumping system reciprocating-piston pump

multi-cylinder reciprocating-piston engine, hydrostatic

speed controlling reciprocating-piston engine, hydrostatic (reciprocating-piston motor)

air vessel reciprocating-piston pump

reciprocating-piston machine or engine number of revolutions