Unverified88% confidenceDecision RuleTime unknown
快递纸箱选择3层瓦楞用于5kg以内轻物，5-15kg选5层瓦楞，超过15kg需选AB坑双瓦楞加固箱，避免运输中塌陷
1
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88%
Confidence
Long-term
Relevance
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