短語詞組短語extraction backpressure turbine 抽汽背壓汽輪機(jī)extraction n turbine 抽汽式汽輪機(jī);抽氣式汽輪機(jī)extraction steam turbine test 抽提試驗(yàn)extraction steam turbine transformer 引出電壓變壓器extraction steam turbine ventilation 抽出式通風(fēng)extraction steam turbine valve 抽汽閥extraction steam turbine window 出射窗regulated extraction steam turbine 調(diào)節(jié)抽汽式汽輪機(jī)extraction steam turbine thimble 抽提套管 返回 extraction turbine