Unverified75% confidenceTradeoffTime unknown
伸缩幅度越大、机构越复杂，则展开后接缝处高低差和晃动风险越高，追求大幅度伸缩需牺牲部分整体平整度
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75%
Confidence
Long-term
Relevance
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Unverified伸缩机构越顺滑省力，通常意味着零件间隙越大，拉开后桌面接缝越可能出现落差和缝隙；追求无缝台面就要接受伸缩偏紧偏费力81% similarUnverified承重越高的滑轨越厚重，安装占用柜内空间越大、内净宽越小，追求大承重会牺牲有效收纳容积80% similarUnverified伸缩范围越大的产品，重叠搭接段越长，实际有效承重面反而变窄，且完全伸展时中部支撑最弱。选伸缩幅度刚好覆盖柜宽的型号比选大范围通用款更稳固78% similarUnverified收纳容量大、隔层多是核心优势，但整体厚度较大，放入小号随身包时会显得臃肿76% similarUnverified伸缩范围越大意味着重叠管段越长、内管越细，稳定性和承重反而下降；大范围款(如180-300cm)承重普遍低于固定尺寸款，追求承重应选伸缩比小的产品76% similar
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