[KongchangAI]
Unverified80% confidenceDecision RuleTime unknown

充气硬度直接影响训练难度:充气越足球面越硬、越平稳(适合新手),充气略软则不稳定性增加、核心募集更强(适合进阶)。可调节充气口设计比一次性封口更实用,能随训练阶段调整

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80%
Confidence
Long-term
Relevance
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https://kongchang.com/claim/163464
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curl https://kongchang.com/api/v1/knowledge/claims/163464
MCP
get_claim(id=163464)