Unverified83% confidenceFactTime unknown
拉链耐用性看头数：金属或加粗树脂双头拉链比普通尼龙拉链寿命长，是书包最易损坏部件之一，购买时可实测拉合顺滑度，卡顿的一年内多会坏
1
Sources
83%
Confidence
Long-term
Relevance
-
First Seen
Sources
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