名词
中文翻译：隧道切断器
同义词：
['tunneling cut-off', 'tunnel cut-off', 'tunnel cutting off']
例句：
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1. The tunnel cut-off was used to clear the path for the construction crew.
隧道切断器被用来为施工队开辟道路。
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2. The tunnel cut-off was a crucial part of the project's success.
隧道切断器是该项目成功的关键部分。
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3.The tunnel cut-off was designed to prevent water from seeping into the tunnel during heavy rain.
隧道切断器被设计来防止在大雨时水渗入隧道。