短語(yǔ)詞組短語(yǔ)press to talk switch 按鍵通話開(kāi)關(guān)pendnext to pull switch 拉線開(kāi)關(guān)back to back switch 主從背對(duì)背開(kāi)關(guān)connecting to the switch 連接到交換機(jī)Switch to -switch 節(jié)點(diǎn)到節(jié)點(diǎn)push to break switch 雙位壓動(dòng)式轉(zhuǎn)換開(kāi)關(guān)push to talk switch 按鈕操縱的傳話開(kāi)關(guān);壓簧通話開(kāi)關(guān)open to the switch 消息來(lái)看switch -to- 機(jī)對(duì)交換機(jī);節(jié)點(diǎn)到節(jié)點(diǎn) 返回 to switch