Unverified82% confidenceCautionTime unknown
钢制防盗门（含填充层）不能用普通木门螺钉安装门链，必须用自攻钢钉或先钻孔攻丝，否则螺钉打滑无法固定；建议钢门优先选带背板+穿透螺栓的门链
1
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82%
Confidence
Long-term
Relevance
-
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