Unverified85% confidenceDecision RuleTime unknown
钨钢钉（碳化钨）耐磨寿命远超普通钢钉，适合每天通勤或长距离徒步；普通碳钢钉在硬地面走几次就磨钝打滑
1
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85%
Confidence
Long-term
Relevance
-
First Seen
Sources
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