| 释义 |
Drainage conduit
基本例句
排水管道
The drainage system is being improved with additional drainage channels dug to ensure the pitch remains in top condition.我们挖掘了额外的排水管道以便使排水系统保持最佳状态。
The city was even equipped with a drainage system, for many clay pipes were found beneath its narrow streets.城里甚至还敷设了排水系统，因为在狭窄的街道底下发现了许许多多陶土制作的排水管道。 |