signalman造句

British Rail had to post a signalman at the entrance to the tunnel.
英國鐵路公司不得不在隧道入口設置了一名信號員。

Signalman should coordinate to ensure Safe Lifting Operation with proper signals.
信號員必須確保使用正確的信號,保證起重機動作安全.

British Rail had to post a signalman at the entrance to the tunnel...
英國鐵路公司不得不在隧道入口設置了一名信號員。

The signalman's signature sign is significant to the vacant vacation.
信號員的簽字符號對空假期具有重要意義.

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