Its main principle is dewatering by use of chemical treatment and mechanical extrusion.

它的主要原理是利用化学絮凝和机械挤压进行脱水。

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Mechanical dewatering is the most common method in sludge reduction.

当今应用最多的减小污泥体积的方法是机械脱水。

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Mechanical dewatering is the most common method in sludge reduction.

当今应用最多的减小污泥体积的方法是机械脱水。

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