Noxious gases had built up in the sewer. 下水道 的有害气体越积越多。
On the day of the sixth of June, a battue of the sewers had been ordered. 在六月六日的白天，上级命令搜索阴渠。
The us of variou type of sewer pipe is an attract altern for the instal of fiber optic cabl in the complex infrastructur of cities. 基础设施复杂的乡村中，利用不同类型的下水管来安装光缆是一种具有吸引力的方法。
But in order to do this, he must have been thoroughly familiar with the enormous madrepore of the sewer in all its ramifications and in all its openings. 但是，要这样走，就必须彻底清楚这个巨大珊瑚形阴渠的所有分岔和直管。