Catfish are stocked and harvested in the last phase of the facility's waste stabilization pond system.
鲶鱼的放养和丰收都在工厂废水稳定塘系统的最后一阶段。
Waste stabilization pond has been used in wastewater treatment for a long time. Since 1950's, national and abroad researchers have done many studies on pond theory and application aspects.
生物稳定塘用于废水处理已有悠久的历史，自50年代开始国内外学者对其理论及应用问题进行了多方面的探讨。
At present, municipal solid waste is disposed mainly by landfills. Leachate recycle has been found to potentially greatly accelerate the "stabilization" of the landfill.
目前，城市固体废物主要采用地质填埋处理，淋滤液循环可以使填埋场的稳定化进程加快。
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