1、They had to post a signalman at the entrance to the tunnel.
他們不得不在隧道入口處安置一名信號(hào)員站崗。

2、The signalman on the ship wigwagged the good news to the other ship.
這艘船上的信號(hào)員用旗語向另一艘船發(fā)送好消息。

3、Signalman should coordinate to ensure Safe Lifting Operation with proper signals.
信號(hào)員必須確保使用正確的信號(hào)， 保證起重機(jī) 動(dòng)作安全。

4、The signalman 's signature sign is significant to the vacant vacation.
信號(hào)員的簽字符號(hào)對(duì)空假期具有重要意義。

signalman翻譯