短語(yǔ)詞組短語(yǔ)steam driven reciprocating pump 蒸汽往復(fù)泵Steam -driven reciprocating pump 汽動(dòng)往復(fù)泵duplex acting steam -driven reciprocating pump 雙作用蒸汽往復(fù)泵reciprocating steam pump 往復(fù)式蒸汽泵;翻譯reciprocating steam fire pump 往復(fù)式蒸汽消防泵two -cylinder reciprocating steam pump 雙缸往復(fù)蒸汽泵 返回 steam reciprocating pump