This method will create great quantities of dirty mire in the process, easily causing secondary pollution.
这类方法在处理过程中产生大量污泥，容易产生二次污染。
The method of the invention is low in cost and high in maneuverability and avoids damaging the structure of the environmental soil and causing secondary pollution.
本发明方法费用低廉，可操作性强，不破坏环境土壤结构，不会引起二次污染。
The method of the invention is low in cost and high in maneuverability and avoids damaging the structure of the environmental soil and causing secondary pollution.
本发明方法费用低廉，可操作性强，不破坏环境土壤结构，不会引起二次污染。
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