Some of this type of sealant is pure rubber varieties, most with good adhesive performance.

这类密封胶中有些品种是纯橡胶，大多数具有良好胶粘剂的性能。

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Some of this type of sealant is pure rubber varieties, most with good adhesive performance.

这类密封胶中有些品种是纯橡胶，大多数具有良好胶粘剂的性能。

youdao