Unverified80% confidenceFactTime unknown
实木搁板常见规格厚度18-30mm，橡木/白蜡木硬度高抗变形，长度超过80cm的木质搁板建议加中间支撑点防中部下弯
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Unverified搁板长度超过80cm时中间必须增加支撑点，实木/多层板长悬空易下垂，密度板/颗粒板长跨度下垂更明显，长搁板优先选实木或加钢内衬款88% similarUnverified实木搁板厚度低于1.8cm时长度超过80cm易变形，做长搁板应选≥2.5cm厚实木或直接用多层实木板/指接板88% similarUnverified搁板长度超过80cm时中间必须增加托架支撑，否则实木或密度板长期受力会中部下弯（挠度变形），厚度也应≥25mm86% similarUnverified实木隐藏搁板厚度需≥40mm才能内嵌钢架并隐藏螺杆，而颗粒板/密度板贴皮款为轻量化多做成中空注塑背板，外观相同但承重和抗变形能力远低于实木86% similarUnverified实木置物架美观且质感好，但承重变形风险高于金属，长期承重下松木/杉木层板厚度需≥18mm，跨度＞80cm应加中间支撑立柱防止中部下垂86% similar
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