The 3R principles of circular economy should be obeyed in the selection of sludge treatment and disposal methods.

污泥的处理处置应遵循循环经济的3R原则，即以减少污泥产生量为首要目标；

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This paper gives some policies of dealing with the construction waste applying 3R principles through analyzing the classification and components and the problems of processing methods.

通过对建筑垃圾分类、组成和我国目前在处理方法上存在问题的分析，提出应用循环经济的“3R原则”资源化处理建筑垃圾的对策。

youdao

This paper gives some policies of dealing with the construction waste applying 3R principles through analyzing the classification and components and the problems of processing methods.

通过对建筑垃圾分类、组成和我国目前在处理方法上存在问题的分析，提出应用循环经济的“3R原则”资源化处理建筑垃圾的对策。

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