[KongchangAI]
Unverified80% confidenceDecision RuleTime unknown

L型金属托架搭配的层板深度不应超过托架水平臂长度的1.5倍,否则前端受力后杠杆效应导致螺丝松脱;例如20cm臂长托架最大适配30cm深层板

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