連入switchingout: 斷開switchingoff: 斷開switchingover: 切換switchingmechanism: 切換機(jī)構(gòu) 開閉機(jī)構(gòu) 轉(zhuǎn)換機(jī)構(gòu) 開關(guān)機(jī)構(gòu) 開關(guān)裝置switchingpanel: 開關(guān)配電板下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯