【机】 往复部份, 往复机件

reciprocating motion

moisture separation in the reciprocating-piston pump

reciprocating pump

reciprocating filing machine

horizontal opposed reciprocating compressor

reciprocating-piston machine, multi-cylinder pump of reciprocating-piston type

combinations of two or more reciprocating machines or engines

internal-combustion engine, internal-combustion reciprocating-piston