Unverified90% confidenceDecision RuleTime unknown
需承载书籍、酒瓶、微波炉等重物（单层>10kg）时，必须选膨胀螺丝固定并打入承重墙或实心砖墙；轻质隔墙（空心砖/石膏板）需配专用飞机型膨胀管，否则螺丝会松动拔出
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Unverified承重需求大（书籍、厨房锅具、器皿）时应选打孔膨胀螺栓固定，且必须打进墙体基层而非空心砖/石膏板；石膏板墙需用专用飞机型膨胀管87% similarUnverified壁挂式置物架安装在轻质隔墙（石膏板墙）时，必须使用飞机膨胀螺栓或先打木龙骨，普通塑料膨胀管在石膏板上承重不超过5kg，装重物会整片脱落79% similarUnverified承重超过10kg或存放贵重/易碎物品时应选膨胀螺丝打孔安装，免打孔粘胶类长期受潮受热（如燃气灶旁、淋浴区）会失效脱落砸物77% similarUnverified打孔式收纳架需匹配膨胀螺丝与墙体：实心砖墙/混凝土墙用普通尼龙膨胀管即可承重≥15kg，空心砖或加气块墙需用专用蝴蝶型/中空膨胀螺丝，否则会松脱77% similarUnverified实心砖墙用普通膨胀螺丝即可，但空心砖或石膏板隔墙必须改用飞机膨胀螺丝或蝴蝶锚栓，普通膨胀管在空心墙内几乎零抓力77% similar
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