名词
中文翻译：地下工程
同义词：
['subway works', 'subterranean works']
例句：
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1.The construction of the underground works is expected to start next year.
预计明年开始建设地下工程。
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2.The underground works are designed to improve transportation efficiency.
地下工程旨在提高交通效率。
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3.The construction of the underground works has been delayed due to unforeseen circumstances.
由于不可预见的情况，地下工程的建设已被推迟。