Unverified90% confidenceDecision RuleTime unknown
选购前需测量马桶开口内径与长度,V型(前圆)马桶开口约35-38cm,U型(前方)约33-36cm,儿童辅助圈内圈需匹配,缝隙>2cm易夹屁股或漏尿,<0.5cm则安装困难
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Unverified儿童马桶坐便圈需匹配马桶开口尺寸:V型/U型马桶开口内长约35-38cm,O型约37cm,购买前测量马桶内圈前后长度,坐便圈内径应比马桶开口大1-2cm才能稳固卡住不下坠92% similarUnverified儿童马桶圈需匹配马桶开口内径,普通V型/O型马桶开口内径多在14-18cm,选购前需实测马桶内圈前后距离与左右宽度,误差超过2cm会导致坐圈晃动或掉落91% similarUnverified购买前测量马桶盖内圈尺寸:标准成人马桶内径约28-35cm,儿童训练坐便器内径约18-22cm,选'目标图案贴'时其瞄准点应落在内壁前1/3处,尺寸不匹配会导致图案被水淹或位置偏离89% similarUnverified坐便圈内径需匹配马桶开口:家用普通马桶开口多为U型(前端宽约14-16cm),选购前测量马桶内圈实际尺寸,坐便圈内径应比孩子臀围略小但完全落在马桶开口内侧,避免悬空或卡不住89% similarUnverified坐圈内径应选27-28cm(标准马桶适配),家有分体式或异形马桶需先测量马桶开口,内径过大孩子易掉入或坐不稳86% similar
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