名词中文翻译
中文翻译：隧道群
同义词：
['tunnel cluster', 'tunnel complex例句：1. The tunnel group is responsible for the construction of the underground passages.（隧道群负责地下通道的建设。）']
例句：
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1. The tunnel group is responsible for the construction of the underground passages.
隧道群负责地下通道的建设。
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2. The tunnel group has successfully completed the excavation of the new tunnel.
隧道群成功完成了新隧道的挖掘工作。
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3. The tunnel group is working on a project to improve the safety of the tunnel system.
隧道群正在致力于一个项目，以提高隧道系统的安全。