名词短语
中文翻译：Unknown
同义词：
['subterranean pipelines', 'underground water and sewer systems', 'underground utility networks']
例句：
-
1. The underground pipelines are crucial for the city's transportation system.
地下管道对城市的交通系统至关重要。
-
2.The construction of underground pipelines is a complex project that requires careful planning.
地下管道的建设是一项复杂的工程，需要仔细规划。
-
3.The underground pipelines are designed to withstand high pressure and temperatures.
地下管道设计用于承受高压和高温。