Unverified83% confidenceDecision RuleTime unknown
购买前需测量门与门框的贴合缝隙及门厚，防盗链两个安装座（门体+门框）需在同一水平线，错位＞2mm会导致链条张紧无法闭合门，安装座间距应匹配开门缝隙3-5cm
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