Unverified80% confidenceSolutionTime unknown
遇到重载且墙体开裂敏感（如靠近墙边、瓷砖易崩）的场景，膨胀螺丝的挤压应力会顶裂基材，此时应改用注胶式化学锚栓，靠胶粘力而非膨胀挤压
1
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80%
Confidence
Long-term
Relevance
-
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