piston valve engine

同义词释义

1)piston valve engine,圆滑阀配汽蒸汽机2)port engine,滑阀配汽蒸汽机3)slide valve engine,滑阀配汽式蒸汽机4)drop vlave engine,带配汽阀蒸汽机5)slide valve distribution,滑阀配汽6)slide valve gear,滑阀配汽机构