短語詞組短語bleed -steam air preheater 抽汽空氣預(yù)熱器bleed steam turbine 抽汽式汽輪機turbine bleed steam 輪機撤汽bleed steam pipework 抽汽管路adjustable bleed steam 調(diào)整抽汽bleed steam trapping point 抽汽口bleed steam pressure meter 分供汽壓計bleed steam pressure gage 分供汽壓計bleed steam feed pump 抽氣式給水幫浦 返回 bleed steam