The impervious PVC geomembrane liner is deployed over the dam face and anchored by welding to the PVC flaps.

在坝面铺上防渗PVC土工膜衬垫，并与PVC膜片焊接固定在一起。

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The impervious PVC geomembrane liner is deployed over the dam face and anchored by welding to the PVC flaps.

在坝面铺上防渗PVC土工膜衬垫，并与PVC膜片焊接固定在一起。

youdao