[KongchangAI]
Unverified85% confidenceDecision RuleTime unknown

扁平弯钩形刷头能深入马桶内圈边缘(水线上方藏污区),圆形刷头更适合清洁排污口和U型弯,兼顾两处建议选'扁平主体+尖角'的水滴形设计

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85%
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Long-term
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