Unverified75% confidenceDecision RuleTime unknown
缝线密度和封边工艺是耐用性关键：查看口袋底部是否双线加固车缝，低价款常为单线且袋口无包边，装重物后一两个月易开线
1
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75%
Confidence
Long-term
Relevance
-
First Seen
Sources
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