Unverified75% confidenceTradeoffTime unknown
调节系统越复杂(多档旋钮+可调下巴带+后脑托盘)贴合越好但佩戴步骤越多,低龄儿童独立佩戴困难,2-4岁优先选磁吸下巴扣+简单旋钮的组合
1
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75%
Confidence
Long-term
Relevance
-
First Seen
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