sewer system造句

1、When he left office, we had a sewer system and my babies wasn't sick anymore.
不过等到他下台的时候，我们已经有了下水道，我们的孩子也不再生病了。

2、When he left office, we had a sewer system and my babies wasn’t sick anymore.
不过等到他下台的时候，我们已经有了下水道，我们的孩子也不再生病了。

3、Before you know it, the the city water and sewer system will stop working.
你知道它之前，城市供水和污水处理系统将停止工作。

4、This dissertation is to develop a late-model sewer system named vacuum sewer system.
本文旨在开发一套新型真空下水道系统。

5、One of the latest casualties is the sewer system of Jefferson county, Alabama.
最近的一个受害者是阿拉巴马州杰弗逊县的下水道系统。