Unverified88% confidenceDecision RuleTime unknown
二手童车优先看车架焊接点是否有裂纹或补焊痕迹，一旦发现焊缝有暗裂或重新打磨的痕迹直接放弃，儿童骑行冲击力会导致断裂
1
Sources
88%
Confidence
Long-term
Relevance
-
First Seen
Sources
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