Unverified82% confidenceDecision RuleTime unknown
L型三角支架的承重与其进深强相关：支架进深应≥层板深度的2/3，否则前端易下沉；单个金属支架承重标称需打对折看实际值
1
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82%
Confidence
Long-term
Relevance
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UnverifiedL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78% similarUnverified伸缩隔板选购时实测柜内深度后应选伸缩范围下限比柜深小3-5cm的型号，因为完全撑满时卡扣张力最大易变形塌陷，留余量靠侧壁摩擦更稳固78% similarUnverified垂直堆叠层数超过3层时，底层模块顶板承重应≥30kg并带独立支撑立柱，仅靠侧板卡扣承重会导致长期使用后拼接缝隙变形下沉74% similarUnverified搁板深度超过25cm且长度超过80cm时，中间必须增加支撑点或选用金属三角托，否则实木板长期承重会出现下垂弯曲73% similarUnverified选购时看抽屉底板厚度，底板≥5mm或带加强筋才能承重不下垂，薄底板（3mm硬纸板）存放重物时中央会凹陷卡轨72% similar
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