Unverified85% confidenceDecision RuleTime unknown
儿童护膝护肘套装需按体重和身高双重确认，尺码看膝围而非年龄：膝围18-22cm对应S码（约3-6岁），膝围22-26cm对应M码（约6-10岁），偏胖儿童需上调一码
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