求翻译：坝体填筑必须在坝基处理验收合格后才能进行，坝体各部位的填筑必须按设计断面进行，并保证防渗体和反滤层的设计厚度。是什么意思？

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Reclamation dam body must be dealt with in Pa-acceptance can only take place after all of its parts, and the landfills must be according to the design and to make sure that sessile impermeable and anti-filter design thickness.

The dam reclamation must qualified be able to carry on after the dam base processing approval, the dam various spots reclamation must carry on according to the design cross section, and guaranteed guards against infiltrates the body and inverted filter design thickness.

Of filling must be in the treatment of acceptance before it can be carried out, each part of the dam body filling design section must be conducted and to ensure that design of seepage control and filter thickness.

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