Unverified85% confidenceDecision RuleTime unknown
石膏板/空心墙必须搭配专用飞机膨胀螺丝或蝴蝶锚栓，普通塑料膨胀管在此类墙面拉拔力不足30kg，等于无效固定
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Unverified空心隔墙（石膏板/轻钢龙骨）安装搁板必须使用专用飞机型膨胀螺栓或蝴蝶锚栓，普通塑料膨胀管在空心墙中几乎无有效承重，易整块脱落90% 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90% similarUnverified膨胀螺栓/预埋件选择：轻质隔墙（石膏板）须用蝴蝶型或飞机型专用膨胀塞，普通塑料膨胀管在空心墙里承重几乎为零90% similarUnverified空心砖、石膏板隔墙打孔应使用专用飞机型/蝴蝶型膨胀锚栓，普通塑料膨胀管在空心结构中抓力不足会松脱89% similarUnverified石膏板/空心墙上安装层板必须使用飞机型膨胀锚栓（蝴蝶锚）或找到龙骨位置打孔，普通塑料膨胀管在石膏板上承重不足5kg即会脱落89% similar
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