Before the disposal, make preparatory treatment of the soil to ensure the water content, maximum particle diameter, pH value, clay content of the soil are suitable for the following disposal.
在处理之前，先要将土壤进行预处理，使得土壤的含水率、土壤最大颗粒直径、pH值、粘土含量等适宜于之后的处理。
Before the disposal, make preparatory treatment of the soil to ensure the water content, maximum particle diameter, pH value, clay content of the soil are suitable for the following disposal.
在处理之前，先要将土壤进行预处理，使得土壤的含水率、土壤最大颗粒直径、pH值、粘土含量等适宜于之后的处理。
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