Unverified78% confidenceDecision RuleTime unknown
腰头选宽3-5cm的宽橡筋或双层收腰款优于细窄单层橡筋，宽腰头分散压力不勒不卷边；带外露式松紧或内置抽绳的更适合身材偏瘦学生防滑落
1
Sources
78%
Confidence
Long-term
Relevance
-
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