Unverified85% confidenceDecision RuleTime unknown
带阶梯/扶手一体式的坐圈需确认马桶前后长度：分体式马桶（V型口）内长通常≥42cm，缩短型/小户型马桶仅38cm左右，购买前测量马桶口内长再选，否则阶梯型坐圈无法卡稳
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