[KongchangAI]
Unverified82% confidenceDecision RuleTime unknown

户外或车载长期使用应选S形挂钩带PVC包胶或喷塑防锈处理的金属件,未做防锈处理的普通钢挂钩在雨淋盐雾环境下3-6个月即出现锈斑并污染带体和被绑物

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82%
Confidence
Long-term
Relevance
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https://kongchang.com/claim/149660
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curl https://kongchang.com/api/v1/knowledge/claims/149660
MCP
get_claim(id=149660)