Unverified85% confidenceCautionTime unknown
不要将扶手安装在瓷砖单点或空鼓砖上：单孔受力会导致瓷砖开裂螺栓松脱，安装前需敲击检查瓷砖是否空鼓，固定点应尽量落在瓷砖中部而非边缘缝隙处
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Unverified瓷砖墙安装扶手不建议钻孔在瓷砖接缝或空鼓处，接缝处膨胀螺丝受力易崩裂瓷砖，应钻在瓷砖中央并使用瓷砖专用钻头开孔90% similarUnverified瓷砖美缝或空鼓墙面不宜用膨胀螺丝打孔，应选背胶+顶天立地撑杆式或落地款，避免瓷砖开裂90% similarUnverified不要在瓷砖接缝（勾缝处）打孔安装，缝隙处膨胀螺丝无法有效受力且易导致瓷砖开裂，应打在整块瓷砖中央区域89% similarUnverified瓷砖墙面空鼓区域不建议安装打孔壁挂架，膨胀螺丝无法有效受力，负重后易整体脱落砸伤，安装前应先敲击检测空鼓88% similarUnverified空鼓瓷砖或已知墙体后方为空心结构的位置不建议安装承重搁架，钻孔可能导致瓷砖开裂或膨胀栓无有效着力点87% similar
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