Unverified90% confidenceDecision RuleTime unknown
墙面材质决定膨胀螺丝可行性:实心砖墙/混凝土墙可正常打孔承重,空心砖、石膏板、轻钢龙骨隔墙需专用中空锚栓(如蝴蝶膨胀、飞机膨胀),普通膨胀螺丝会失效
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Unverified膨胀螺丝安装适合实心砖墙/混凝土墙,承重最高;空心砖或石膏板墙必须用专用空心墙锚栓,普通膨胀螺丝会脱落导致坠落94% similarUnverified膨胀螺丝安装要求墙体为实心砖墙或混凝土;空心砖、石膏板隔墙需改用中空锚栓(蝴蝶膨胀)或飞机型锚栓,否则会整块拉裂94% similarUnverified膨胀螺丝安装需确认墙体结构:实心砖墙/混凝土可用,但空心砖、轻质隔墙、石膏板墙必须改用专用中空锚栓(蝴蝶栓),否则膨胀管无法撑开导致脱落93% similarUnverified墙体类型决定安装方式:实心砖墙/混凝土可用膨胀螺栓承重强;空心砖或石膏板墙必须用中空锚栓(蝴蝶栓/飞机栓),普通膨胀管在空心墙会直接脱落91% similarUnverified膨胀螺栓仅适用于实心墙体(混凝土、实心砖),空心砖、加气块、石膏板墙上安装会因膨胀套无法有效撑开而失效,此类墙体应改用中空墙锚栓或化学锚栓91% similar
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