[電學(xué)] 轉(zhuǎn)換操作; 開關(guān)操作; 開動開關(guān) [紡織 造紙] 開關(guān)操作 switches: 交換機(jī); 開關(guān)(20,246類)address switches: 地址開關(guān)automatic switches: 自動開關(guān)backbone switches: 骨干網(wǎng)交換機(jī)cam switches: 凸輪旋轉(zhuǎn)開關(guān)下載手機(jī)詞典可隨時隨地查詞查翻譯