[機(jī)械工程 照明 加熱] 往復(fù)式蒸汽機(jī)聯(lián)合裝置 piston steam engine: 活塞式蒸汽機(jī)piston valve steam engine: 活塞閥蒸汽機(jī)rotary-piston steam engine: 旋轉(zhuǎn)活塞蒸汽機(jī)combination piston: 組合活塞steam piston: 蒸汽活塞下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯