Our old ceramic sewer pipes collapsed a couple of years ago. 我们家的古老的陶制下水管几年前爆裂了。
He hitched one end of a rope around the drain pipe and the other one around his waist, then climbed down the building. 他把绳子的一头拴在下水管上，另一头拴在他的腰上，借助绳子爬下了楼。
The workmen excavated a hole in the wall to let the sewage pipe pass through. 工人们在墙上掘了个洞让污水管通过。
A terminal cleanout sometimes substitutes for a manhole at the end of a short lateral sewer. 在一小段侧向污水管上的末端清理常用检查井替代。
