从2001年以来，城市污水处理率提高了一倍。
中国已建有420座污水处理厂，城市污水处理率达30%以上。
There are 420 wate water treatment plants in China and the treating ratio of urban waste water is more than 30%.
随着我国城市污水处理率的逐年上升，活性污泥法的应用越来越广泛。
Activated Sludge Process is applied more and more extensively, with rate of treated sewage rising.
最后，对涪江绵阳段水环境整治提出了初步对策，包括提高生活污水处理率；
At last, the primary measures on the water environmental treatment in Mianyang section of Fujiang river were put forward.
城市生活污水处理率极低，2003年全县城市生活污水处理率仅为30%；
The handling rate of urban sanitary sewage is extremely low, whose handling rate was only 30% in 2003;
污水处理率每年递增，污泥的产量也随之不断增加，污泥的处理问题凸显了出来。
Sewage treatment rate increases annually, sludge production also will continue to increase, the treatment of sludge noticeable.
随着城市污水处理率提高导致的污水污泥产量的增长趋势也使得污水污泥的处理问题更为突出。
The amount of the sludge becomes more and more following the increasing tendency of the domestic wastewater collection and treatment ratio.
因此，加快污水处理工程的建设，提高污水处理率，保护有限的水资源，是我国环境保护工作的重要任务。
Therefore, accelerating the construction of the sewage disposal project and improving the sewage treating rate and protecting the limited water resources are the urgent tasks of o...
结果表明，福州市区环境质量总体状况良好，但城市污水处理率、环境噪声达标率离标准值都有一定的差距。
The results showed that the environment quality in Fuzhou urban area was good in general, but the urban sewage disposal and noises decreasing lagged behind the standard values.
结果表明，福州市区环境质量总体状况良好，但城市污水处理率、环境噪声达标率离标准值都有一定的差距。
The results showed that the environment quality in Fuzhou urban area was good in general, but the urban sewage disposal and noises decreasing lagged behind the standard values.
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