Terms for subject Ecology containing 往

Chinese	English
往复式气锤	reciprocating type compressed air hammer
往复式水轮布水机	reciprocating water wheel distributor
往复式泵	reciprocating pump
往复式活塞泵	reciprocating piston pump
往复式臂管布水机	reciprocating arm distributor
往复式臂管洗杂粒机	reciprocating arm grit washer
往复式蒸汽机	reciprocating steam engine