名词短语
中文翻译：隧道挖掘同义词
同义词：
['trench excavation', 'shaft excavation']
例句：
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1. The tunnel was completed in record time.
这条隧道在预定时间内完成了。
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2. The tunnel is used for transportation purposes.
这条隧道用于交通目的。
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3. The tunnel was constructed using advanced technology.
这条隧道使用了先进的技术建造。