This invention relates to a method to prepare a coagulant for sewage disposal.
本发明涉及一种污水处理用混凝剂的配制方法。
It dawns on a familiar, workaday place, still in need of groceries and sewage disposal.
它洒在一个司空见惯，平凡庸碌的地方，一个仍然无法摆脱食品杂货，污水处理的地方。
The integrative oxidation ditch process is a new technology for domestic sewage disposal.
一体化氧化沟工艺是一种新型的生活污水处理技术。
Disposal of sludge is important part of sewage processing.
污泥的处理处置是污水处理的重要组成部分。
Disposal of sludge is important part of sewage processing.
污泥的处理处置是污水处理的重要组成部分。
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