[作業(yè) 運(yùn)輸] 帶有按鈕操作地區(qū)性電路的信號(hào)塔 push button signal box: 按鈕式信號(hào)樓push button call box: 呼梯按鈕盒push button interlocking box: 按鈕式信號(hào)樓push-button switch box: 按鈕開關(guān)盒signal push button: 信號(hào)按鈕下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯