基本解釋自動閉塞信號機英漢例句雙語例句Railway automatic blocking and continuous transmission lines (RABCL) supply power for the railway automatic blocking signal and the loads along the lines, etc.自動閉塞和電力貫通線路為鐵路沿線自動閉塞信號及車站負荷等提供電源。automatic block signal更多例句詞組短語短語signal automatic blocking 信號自動閉塞automatic block signal更多詞組