【建筑】活塞制动装置【机械工程】活塞闸

piston

solid-skirt piston

moisture separation in the reciprocating-piston pump

differential pump (multistage pump, multi-cellular pump, step piston pump)

oscillating-piston pump

differential pump (stepped-piston pump)

hydrostatic engines of reciprocating-piston type with

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