将面与面紧压在一起，使其牢固粘合。

Press the surfaces together to ensure a good firm bond.

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而粘合面透明度很高，和一张胶片无多大区别。

The highly transparent adhesive surface, and a film without much difference.

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功能：使鞋底与鞋帮粘合面牢固地结合在一起。

Function: firmly stitching the sole with the upper.

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功能：使鞋底与鞋帮粘合面牢固地结合在一起。

Function: firmly stitching the sole with the upper.

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