重力变化的主要原因是过量开采地下水,使含水系统压密,从而导致地面重力变化。
The main cause of the gravity variation is that groundwater has been over mined, thus, hydrous system is so pressed that ground gravity varies.
对含酚污水污泥重力浓缩性能的研究表明:污泥沉降属于成层沉降和压密沉降状;
The gravity thickening property of sludge from phenol contaminated wastewater was described. It showed that the sludge settling was in layered and compression settling statues.
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