[KongchangAI]
Unverified88% confidenceDecision RuleTime unknown

背包重量占使用者体重比例应≤10%(含内容物),超过15%会导致含书本时脊柱代偿性前倾;选购前需估算孩子体重来倒推可容纳书本上限

1
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88%
Confidence
Long-term
Relevance
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MCP
get_claim(id=393330)