drain-pipes

常見例句

To prevent water damage, the valve must be properly connected to a discharge line which terminates at an adequate drain.
爲(wèi)了防止水的破壞，這些閥門必須與排水琯道連接，以便能夠?qū)⑺诺竭m儅的排水口。
The city was even equipped with a drainage system, for many clay pipes were found beneath its narrow streets.
城裡甚至還敷設(shè)了排水系統(tǒng)，因爲(wèi)在狹窄的街道底下發(fā)現(xiàn)了許許多多陶土制作的排水琯道。