[KongchangAI]
Unverified83% confidenceCautionTime unknown

瓷砖墙面开孔安装必须先用玻璃钻头低速点钻定位再换冲击钻,直接冲击钻易导致瓷砖崩瓷;空心砖/瓷砖背面空鼓区膨胀螺丝无法承重,需非专业人士评估后请施工

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83%
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