短語(yǔ)詞組短語(yǔ)knife switch plug -in strip 閘刀開關(guān)automatic switch -in equipment 自動(dòng)投入裝置false switch -in 誤合閘switch -in with load 有載合閘backup power automatic switch -in 備用電源自投auto -switch-in device 自投裝置shut -in switch 關(guān)井開關(guān) 返回 switch-in