sewer systems

同根派生

One of the latest casualties is the sewer system of Jefferson county, Alabama.
最近的一個(gè)受害者是阿拉巴馬州杰弗遜縣的下水道系統(tǒng)。
Do not allow the drain line to empty directly into a drainage ditch, sewer system, or sump.
不要讓排放管道直接排放到排放坑、污水管道系統(tǒng)或污水坑內(nèi)。
It became necessary to provide drainage or sewer systems to carry such wastes away from the area.
提供排水系統(tǒng)或污水管道系統(tǒng)，把廢物排出市區(qū)已成為必要。
Today, in most large cities, water is used only once and then discharged into a sewer system.
今天，在許多大城市里，水僅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.
目前的污水管道設(shè)計(jì)是將污水在管道內(nèi)的流動視為單相均勻流，主要用謝才(Chezy)公式進(jìn)行水力計(jì)算。