【机械工程】往复式泵（活塞泵）

moisture separation in the reciprocating-piston pump

reciprocating pump

reciprocating diaphragm pump

hydrostatic engines of reciprocating-piston type with

mower with reciprocating endless belt cutters

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

reciprocating steam pump

internal-combustion engine, internal-combustion reciprocating-piston engine