sewer systems
英汉例句
- 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。 - Do not allow the drain line to empty directly into a drainage ditch, sewer system, or sump.
不要让排放管道直接排放到排放坑、污水管道系统或污水坑内。 - It became necessary to provide drainage or sewer systems to carry such wastes away from the area.
提供排水系统或污水管道系统，把废物排出市区已成为必要。 - Today, in most large cities, water is used only once and then discharged into a sewer system.
今天，在许多大城市里，水仅被利用了一次后就被排放到了下水道里。 - Sewage pipe flow is hypothesized as single-phase and uniform flow,and we are used to applying the Chezy formulas for designing sewer systems.
目前的污水管道设计是将污水在管道内的流动视为单相均匀流，主要用谢才(Chezy)公式进行水力计算。