[KongchangAI]
Unverified85% confidenceDecision RuleTime unknown

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

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