[KongchangAI]
Unverified88% confidenceTradeoffTime unknown

铝合金框架(重量约2.5-3.5kg)在强度和轻便间平衡最佳;碳钢款虽承重高但常达4.5kg以上,老人单手抬举困难,不适合需频繁搬动上下楼的场景

1
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88%
Confidence
Long-term
Relevance
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