In the past twenty years, for the residents living water processing technology development is slow.
在过去的二十年中，为居民生活用水处理技术的发展缓慢。
The invention relates to a mine tailing wastewater processing method, belonging industrial waste water processing technology field.
本发明属于工业废水处理技术领域，特别涉及尾矿废水的处理方法。
Because of being subjected to the different conditions, coal slurry water processing technology of Xinghua coal Preparation Plant affects closed-circuit circulation of wash water.
由于受不同条件的制约，杏花选煤厂煤泥水处理工艺影响了洗水的闭路循环。
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