名词
中文翻译：主要管道
同义词：
['primary conduit', 'primary line', 'primary pipeline']
例句：
-
1. The primary pipe carrying the gas is underground.
输送气体的主要管道是地下的。
-
2.The primary pipe was damaged during construction.
施工过程中损坏了主要管道。
-
3.The primary pipe was replaced to prevent further damage.
更换了主要管道以防止进一步损坏。