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Edible films needed to be sealed when used as a packaging bag.
可食用膜作为一种软包装材料，需要对其进行封口制袋。
youdao
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Preparation of Edible Films and Their Application in Food Packaging;
多用于包装食品和金属制品方面。
youdao
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Preparation of Edible Films and Their Application in Food Packaging;
多用于包装食品和金属制品方面。
youdao