Unverified90% confidenceCautionTime unknown
存放羽绒服、羊毛衫等蓬松保暖衣物时,压缩率应控制在60%以内(选大袋只装七分满),过度抽真空会永久破坏羽绒和羊毛纤维的蓬松结构,导致保暖性下降且无法恢复
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