饮用水水质标准不断进行完善。
Standards for drinking water have been improved continuously.
随着水环境污染的加剧和饮用水水质标准的提高，传统水处理工艺在效能方面渐显不足。
With the deterioration of water environmental pollution and the more stringent drinking water standards, conventional water treatment technology appeared its lack in efficiency.
对于微污染低温低浊水，采用常规水处理工艺处理后难以达到国家生活饮用水水质标准。
To slight pollution of low temperature and low muddy water, it's hard to reach the national life potable water quality level by adopting routine water disposing technique.
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