[KongchangAI]
Unverified85% confidenceDecision RuleTime unknown

瓷砖墙打孔需用玻璃/瓷砖专用钻头低速开孔,孔位应打在瓷砖中心而非缝隙或边角,避免瓷砖崩裂;空心砖或轻质隔墙需改用穿墙螺栓或加大固定底座

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