[KongchangAI]
Unverified85% confidenceDecision RuleTime unknown

安装前用酒精或专用清洁剂彻底去除墙面油污和水膜,是吸盘持久吸附的关键;油膜和肥皂垢会大幅降低真空密封性,导致吸附力衰减50%以上

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85%
Confidence
Long-term
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