The utility model provides an envelope capable of sealing the opening of the envelope without applying other glue or paste.
本实用新型提供了一种不需另涂胶水或浆糊，就可将封口粘牢的信封；
The utility model provides an envelope capable of sealing the opening of the envelope without applying other glue or paste.
本实用新型提供了一种不需另涂胶水或浆糊，就可将封口粘牢的信封；
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