intercepting sewer截流污水管
flight sewer跌落式排水管道
sewer loss随排水的流失
leachate sewer垃圾池污水渠
sewer line污水管道;污水管线;下水管道
separating sewer分流污水管;分流制下水道
sewer doctors多科特
sewer syndrome下水道综合症
marine sewer海底污水渠
However,the article first proposed the method of dealing with sewer gas,and designed related device,which was of simple structure,easy installation, flexible,environmentally friendly.
文章率先提出了处理下水道废气的方法和并设计了相关装置,并且结构简单、安装方便、使用灵活、环保性强。
参考来源 - 环保型下水道入口自动闭合器的设计N-COUNT（可数名词） A sewer is a large underground channel that carries waste matter and rain water away, usually to a place where it is treated and made harmless. 下水道
...the city's sewer system.
…该城市的下水道系统。
V（动词） to provide with sewers 为...铺设污水管道