block signal
短語詞組
- block synchronizing signal 塊同步信號
- block k signal machine 閉塞信號機
- block received signal 數(shù)據(jù)塊收到信號;碼組收到信號
- BSS Block Synchronizing Signal 塊同步信號
- Block Acknowledge signal 閉塞証實信號
- block control signal 塊控制信號
- block for signal flag 旗索滑車
- BRS Block Received Signal 數(shù)據(jù)塊收到信號
- block bell signal 閉塞鈴信號 返回 block signal