Unverified73% confidenceDecision RuleTime unknown
尺码覆盖看弹力延展而非仅看标注：优质四面弹面料一个码可覆盖10-15斤体重区间，二面弹（仅横向弹）则需严格对照腰围臀围表，容错低
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73%
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Long-term
Relevance
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Unverified腰围选购看实测平铺腰宽×2，而非虚标W尺码；弹力款可比净腰围小1-2cm（穿着撑开），无弹款需等于或略大于净腰围82% similarUnverified网购尺码看腰围而非号码：多数品牌以英寸腰围标注(如30=约76cm)，弹力款可参考自身腰围值，刚性款需在腰围基础上+2cm留穿脱和撑大余量79% similarUnverified修身版弹力卫衣需看'胸围-下摆'差值，收腰设计（下摆比胸围小4-8cm）显身形；直筒版差值≤2cm更包容微胖体型79% similarUnverified尺码按胸围/腰围实测选，不能只看体重——同样20kg的柯基与拉布拉多腰围差距可达10cm，可调节范围应留出±5cm冗余78% similarUnverified弹力松紧宽腰封的调节范围通常可覆盖±5-8cm腰围变化，比固定孔位皮带（±3cm）更适合腰围不确定或多套衣服共用一条的场景77% similar
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