Unverified85% confidenceTradeoffTime unknown
铝框箱抗压性强、密封防尘防水好,但空箱重量普遍4.5-6kg,且开合需解双侧卡扣、易在磕碰处留下无法修复的凹痕;PC拉链箱轻至3-3.5kg且抗冲击回弹好,更适合频繁托运
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