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Sewerage systems are either'separate'or'combined '.是什么意思？

Sewerage systems are either'separate'or'combined '.

排水系统有 “ 分流制 ” 和 “ 合流制”.

相关词汇
sewerage systems are combined

sewerage

n. 污物处理（系统）；
例句
It is supposed to be washed down the gutter and into the city's vast sewerage system.
它应该是被沿排水沟冲入城市庞大的排水系统。

systems

n. [物理化学]系( system的名词复数 )，制度，身体，系统；
例句
This affords us the opportunity to ask questions about how the systems might change...
这给我们提供了就系统可能如何改变进行提问的机会。

are

vi. （用于第二人称单复数现在时，第一、三人称复数现在时）是；n. 公亩（等于100平方米）；
例句
We are scared to abandon ourselves to our feelings in case we seem weak or out of control.
我们不敢放纵自己的情感，以免显得太过软弱或缺乏自制。

combined

adj. 结合的，<化>化合的，[数]组合的；v. （使）联合(combine的过去式和过去分词)；
例句
If improved education is combined with other factors dramatic results can be achieved...
如果把改良的教育体系和其他的因素结合起来，会取得非常惊人的效果。
热门例句
He acknowledged publicly that he might have made a mistake.
他当众承认自己可能犯了个错误。
...the spiralling vortex airflow that slows the plane.
使飞机减速的螺旋形气流涡旋
You just go on ahead. I'll come by later...
你只管先往前走。我随后就来。
He who spares his rod hates his son, But he who loves him chastens him early.
24不忍用杖打儿子的,是恨恶他;疼爱儿子的, 趁早管教.
For further information, please contact 414 3925, extension 2253.
详情请致电414 3925,转分机2253。
He sat there while I made the case for his dismissal...
他坐在那儿，听我陈述解雇他的理由。
Baroness Thatcher's claims seem credible to many.
撒切尔女男爵的主张在很多人看来是可信的。
Nothing to be got without pains but poverty.
一份耕耘，一份收获。
This decree obliges unions to delay strikes.
该法令迫使工会推迟罢工。
The right to demand payment from the endorser of a commercial paper when the first party liable fails to pay.
追索权当有支付义务的第一方不能支付时，可以向商业票据的背书人要求支付的权力。
相关例句
In no time at all , lawmakers in New Jersey granted their wish.
新泽西州的立法者立即批准了他们的请求.
The wonder is that Olivier was not seriously hurt.
奥利维尔伤得不重，真是奇迹。
The street slept in darkness, aside from the occasional twinkling of lights from two or three windows.
除了两三个窗户里有灯光偶尔闪烁一下,街上一片漆黑.
I clicked on a link and recent reviews of the production came up.
我点击了一个链接，有关该剧的最新评论弹了出来。
The dentist drilled my tooth.
牙医在我的牙齿上钻孔。
Fache flinched, his eyes riveted on the second agent.
法希毫不畏缩, 他的眼睛一动不动地注视着那名特工.
They dished up a superb meal.
他们准备了一桌丰盛的饭菜。
Companies would hire some of these folks in an instant, Keck comments.
凯克说:[多公司会立即雇用这些得奖者.
He impressed his audience by the profundity of his knowledge.
他知识渊博给听众留下了深刻的印象.
We all knew by then that the affair was practically over.
到那时，我们都知道事情实际上已经结束了。