Unverified88% confidenceDecision RuleTime unknown

购买前务必量地漏内径而非外沿：常见排水管口径为50mm/75mm/110mm，防堵盖标称尺寸多按内径设计，标100mm的产品通常适配110mm管口，标错一档会导致卡不住或漏缝

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88%

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地漏防堵盖category

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