Unverified88% confidenceDecision RuleTime unknown
滑轮款的实际有效存放高度=箱体高度-滑轮高度（约3-4cm），所以选滑轮款时床底净空需额外预留4cm；万向轮比定向轮更适合从床侧面斜向抽取
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Unverified带滑轮的收纳箱轮径应≥3cm且为静音万向轮，便于单手抽拉；但滑轮会额外占用2-4cm高度，选购时需将轮高计入总高度再对比床底净空91% similarUnverified带滑轮的收纳箱轮子会额外占用2-3cm高度，选购时箱体标称高度需加上轮高再对比床底净空；万向轮比定向轮抽取更灵活但承重略低89% similarUnverified带滑轮牺牲存储高度：滑轮抬高箱体3-6cm，同样床底净空下滑轮款实际容纳高度更低，矮床底二选一优先保容量放弃滑轮87% similarUnverified带滚轮会牺牲2-4cm有效高度（轮子占用），矮床底（净空<15cm）应放弃滚轮改用底部带提手的扁平箱，靠拉拽移动85% similarUnverified带滚轮的收纳箱适合放床底或需频繁移动的大件（60L以上），但滚轮会占用3-5cm高度且降低堆叠稳定性，纯静置存放不建议为滚轮加价84% similar
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