Unverified75% confidenceDecision RuleTime unknown
选购前需测量马桶内圈开口的前后长度和左右宽度,普通成人马桶开口多为25-30cm×20-25cm,训练圈需覆盖此范围才不会在使用中滑入马桶内
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Unverified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88% similarUnverified选购马桶圈前需测量家用马桶内圈开口尺寸,标准椭圆马桶内圈长径约28-32cm,训练圈的固定卡扣或硅胶垫需覆盖此范围才不易滑动;圆形马桶(内圈长径<28cm)需单独选择U型或圆形适配款88% similarUnverified标准成人马桶开口宽度约为23-25cm、长度约为28-33cm(O型),选购坐圈时需确认坐圈外径覆盖此范围才能稳定架放86% similarUnverified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86% similarUnverified坐便圈内径需与马桶开口匹配,标准家用马桶开口多为长圆形(约36-42cm)或圆形(约33-38cm),选购前应测量自家马桶开口内径,圈体外缘需比马桶开口大2-3cm才能稳定卡住不下陷85% similar
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