Unverified88% confidenceDecision RuleTime unknown
长期存放羽绒被、棉被首选PP半硬质箱体（壁厚≥3mm）而非软质压缩袋，软袋抽真空后会因反弹力挤压变形无法叠放，硬箱能保持规整形态并承压叠放2-3层
1
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88%
Confidence
Long-term
Relevance
-
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