短語詞組短語on and -off switch 通;斷開關(guān)detecting on -off switch 偵測開關(guān)on -off f switch 通斷開關(guān)Metal on -off switch 金屬按鈕開關(guān)motor on -off switch 馬達(dá)啓停開關(guān);發(fā)動機(jī)雙位開關(guān);馬達(dá)開停啓閉;[電]電動機(jī)啓停開關(guān)breaker on -off switch 斷路器通斷開關(guān)brake on -off switch 制動開關(guān)ON -OFF Rocker Switch 兩段式翹板開關(guān)Unit On - off switch 單元開關(guān) 返回 on-off switch