They had to post a signalman at the entrance to the tunnel.
他们不得不在隧道入口处安置一名信号员站岗。
The signalman on the ship wigwagged the good news to the other ship.
这艘船上的信号员用旗语向另一艘船发送好消息。
The signalman 's signature sign is significant to the vacant vacation.
信号员的签字符号对空假期具有重要意义。
Signalman should coordinate to ensure Safe Lifting Operation with proper signals.
信号员必须确保使用正确的信号， 保证起重机 动作安全。
The boy wanted to BE a signalman on the railway, but could not BE a accepted for the post as he was colour blind and could not tell read from green.
这个男孩想在铁路当名信号员，但是没有录取因为他患有色盲，分不清红色和绿色。
The boy wanted to BE a signalman on the railway, but could not BE a accepted for the post as he was colour blind and could not tell read from green.
这个男孩想在铁路当名信号员，但是没有录取因为他患有色盲，分不清红色和绿色。
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