名词
中文翻译：隧道挖掘
同义词：
['dig tunnel', 'dig a tunnel', 'tunnel excavation']
例句：
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1.The construction company has been tunnelling for months to build the new highway.
这家建筑公司已经挖掘了几个月来建造这条新高速公路。
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2. The tunnelling process requires specialized equipment and expertise.
隧道挖掘过程需要专门的设备和专业知识。
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3. The tunnelling machine is capable of digging through rock and soil.
这种隧道挖掘机器能够挖掘岩石和土壤。