Unverified80% confidenceTradeoffTime unknown
气柱直径越大缓冲越强但占用箱内空间越多，导致外箱需选更大规格增加运费；轻小件用小直径气柱可显著节省包装体积和快递成本
1
Sources
80%
Confidence
Long-term
Relevance
-
First Seen
Sources
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