[KongchangAI]
Unverified86% confidenceDecision RuleTime unknown

身高与杖长匹配:站立握杖时肘部应呈90度,一般身高×0.68约为适宜杖长;上坡可缩短5-10cm,下坡应伸长5-10cm,因此固定长度折叠杖不适合起伏大的地形

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