[KongchangAI]
Unverified82% confidenceDecision RuleTime unknown

门磁的感应间距(磁体与传感器分离触发距离)应≤2cm才灵敏,选购时看参数应≥15mm触发,间距过大易漏报;木门变形或密封条厚的老门建议选间距容差大的(20mm以上)

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82%
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