短語詞組短語simple steam -engine 單級膨脹蒸汽機enclosed steam -engine 閉式蒸汽機reciprocating steam -engine mechanic 往複式蒸汽機壞工steam -driven blowing engine 汽動鼓風機non -condensing steam engine 背壓式蒸汽機short -stroke steam engine 短沖程蒸汽機multi -cylinder steam engine 多缸蒸汽機semi -uniflow steam engine 半單流式蒸汽機 返回 steam-engine