[KongchangAI]
Unverified85% confidenceFactTime unknown

机械表需要定期保养(约3-5年一次洗油),单次保养成本可达表价的10-30%,长期持有成本远高于石英表;石英表主要成本是每2-3年换电池

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85%
Confidence
Long-term
Relevance
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curl https://kongchang.com/api/v1/knowledge/claims/116753
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get_claim(id=116753)