Unverified80% confidenceDecision RuleTime unknown
门缝塞入型（C型/门挡卡）适配门缝宽度需匹配：门与门框缝隙普遍在2-4mm，选择开口宽度可覆盖此范围的产品，缝隙过大会脱落
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Unverified测量门缝宽度决定密封条规格：门与门框缝隙2-4mm选D型或E型，5-8mm选P型，缝隙不均匀选自粘毛刷条；买前必须用A4纸测试——纸能自由抽动说明缝隙偏大需选厚款85% similarUnverified选购前需测量门与门框之间的缝隙（门缝间隙），常见门扣适配缝隙范围为3-8mm，缝隙过大需选带加长扣板或可调节底座的型号，否则无法咬合到位85% similarUnverifiedU型/C型卡扣式门挡适配门厚需覆盖35-45mm常见室内门，选购前用尺量门边厚度，超出卡口范围会导致夹不稳或撑变形85% similarUnverifiedC型U型防夹条需匹配门厚，普通室内门厚度多为3.5-4.5cm，购买前需测量门扇边缘厚度，C型夹口内径应比门厚小2-3mm才能夹紧不脱落85% similarUnverifiedU型跨门缝式门挡需匹配门缝厚度：常规室内门缝2.5-4cm，选卡口开口3.5-4.5cm的U型挡；门缝小于2.5cm的实木门易夹不紧滑落，应选C型钩挂式门挡85% similar
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