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  1. Oxford Dictionary

    heat-seal

    • v.
      fasten or close (something) securely by applying heat to melt or glue an opening

    • verb: heat seal, 3rd person present: heat seals, gerund or present participle: heat sealing, past tense: heat sealed, past participle: heat sealed

    • 釋義

    動詞

    • 1. fasten or close (something) securely by applying heat to melt or glue an opening the purpose of the mesh is to heat-seal the teabags during manufacturing