名词
中文翻译：隧道信号
同义词：
['tunneling signal', 'tunnelingsignal']
例句：
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1. The tunnelsignal was used to guide the minersthrough the cavern.
隧道信号被用来引导矿工穿过洞穴。
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2. Thetunnel signal helped to locatethe lost treasure.
隧道信号帮助找到了丢失的宝藏。
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3. Thetunnel signal was crucial inensuring the safety of the workers.
隧道信号在确保工人安全方面至关重要。