此款胶带由铝箔涂以特种压敏胶制成，专用于焊接衬垫。
This tape is made of aluminum foil with special PSA. Dedicated to the welding liner.
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。
The impervious PVC geomembrane liner is deployed over the dam face and anchored by welding to the PVC flaps.
介绍了应用于海洋油气管道施工的坡口机、带铜衬垫对口器、全位置自动焊等焊接装备和焊接工艺。
The applies in the ocean oil gas pipeline construction bevel machine article, the belt copper liner welds and pipeline auto welding machine, welding equipment and welding procedure were introduced.
本衬垫可用于各种单面焊接工艺的位置，特别适用于不一定要求封底焊道的场合。
This welding backing is used with all one-side processes. Especially for those which do not demand back bead cleaning.
本衬垫供单面自动焊接用F/G层的加强，也易用于弯曲部分。
This backing is used for one-side automatic welding to reinforce F/G layer. It is also easily used at bending parts.
本衬垫供单面自动焊接用F/G层的加强，也易用于弯曲部分。
This backing is used for one-side automatic welding to reinforce F/G layer. It is also easily used at bending parts.
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