Unverified80% confidenceCautionTime unknown
断桥铝或塑钢窗框较薄或中空的部位不建议直接打孔攻丝，螺丝受力易撕裂型材，应选夹持式或粘贴式，或打孔于实心加强筋位置
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80%
Confidence
Long-term
Relevance
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Unverified断桥铝或塑钢窗框直接打孔可能破坏密封性和保温层，不建议在中空玻璃窗框主受力部位随意钻孔，优先卡扣式或选择型材腔体外侧安装87% similarUnverified空心石膏板墙不建议用螺丝固定重型金属洞洞板，普通膨胀螺丝抓不牢，必须使用石膏板专用飞机螺栓/中空锚栓，否则整块脱落砸伤风险高81% similarUnverified柜内壁为软木或空心薄板时不建议用螺丝固定托架款，固定点承重会撕裂板材，应选大面积均布压力的顶撑式或整层铺板式81% similarUnverified颗粒板/密度板基材的柜体内壁不建议用膨胀螺丝直接固定重型挂板，板材抓钉力弱易崩裂脱落，应改用连接件贯穿固定或选免钉粘贴方案81% similarUnverified瓷砖缝隙处或凹凸墙面不建议用免打孔胶贴款，接触面不平整会导致粘不牢；此类墙面选螺丝或磁吸（金属基面）方案80% similar
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