[KongchangAI]
Unverified80% confidenceTradeoffTime unknown

散装称重购买单价低但规格易混杂、缺配套螺母;盒装/成套(螺栓+螺母+垫片)价高但规格准确配套齐全,DIY少量维修优选成套盒装避免螺距不匹配

1
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80%
Confidence
Long-term
Relevance
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https://kongchang.com/claim/408173
API
curl https://kongchang.com/api/v1/knowledge/claims/408173
MCP
get_claim(id=408173)