短語詞組短語extraction n backpressure turbine 抽汽背壓汽輪機(jī)extraction backpressure steam turbine 抽汽背壓式汽輪機(jī)an extraction backpressure steam turbine 抽汽背壓式汽輪機(jī)backpressure extraction turbine 背壓抽氣式汽輪機(jī) 返回 extraction backpressure turbine