排水系统用英语怎么说？

排水系统

例句

• Sewerage systems are either'separate'or'combined '. 排水系统有 “ 分流制 ” 和 “ 合流制”.
• The defect in the drainage must be remedied. 这排水系统的缺陷该设法补救.
• So can implement the autocontrol of drainage system. 从而实现对排水系统的全自动控制.
• ...the city's sewer system. 城市排水系统
• It is supposed to be washed down the gutter and into the city's vast sewerage system. 它应该是被沿排水沟冲入城市庞大的排水系统。
• The drainage system has collapsed because of too much rain. 由于降雨过多，排水系统已经彻底瘫痪了。