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“三A”果膜保鲜袋是一种新型无毒聚氯乙烯塑料薄膜,在常温条件下,它具有选择性的气体交换性能,能较好地自行调节袋内二氧化碳和氧气含
“Three A” fruit film preservation bag is a new non-toxic polyvinyl chloride plastic film, which has a selective gas exchange performance under normal temperature conditions, which can better regulate the carbon dioxide and oxygen in the bag