Suitable for heat sealing; Used for making protective card and food package, etc.

可热封；用于制作护卡、食品盒等各种产品包装。

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A manually set heat Timer determines the amount of time the heat sealing element stays hot.

手工确定热定时器，确定时间的长短以及密封的热度。

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Objective To set up a method of detecting trace adhesives and the heat sealing material for food packaging.

目的研究食品包装封口处粘合剂和封口材料成份的检验方法并对两例食品中毒案进行检验。

youdao

He had this shrink-wrap sealing machine that would seal three edges around a box with heat.

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