n.多級蒸氣噴射泵 multi-stage steam ejector: 多級蒸氣噴射泵three-stage steam ejector: 三級蒸汽噴射器four stage steam ejector system: 四級蒸汽噴射器系統(tǒng)multi stage steam turbine: 多級汽輪機multi-stage steam turbine: 多級汽輪機下載手機詞典可隨時隨地查詞查翻譯