Unverified75% confidenceDecision RuleTime unknown
定制尺寸的防尘袋需按物品最大轮廓预留2-5cm余量，过紧会撑破缝线，过松则防尘密封性下降；不规则装备（如乐器、球拍）建议选专用异形定制而非通用矩形袋
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