Unverified85% confidenceDecision RuleTime unknown

肩部开口的实际展开宽度应≥新生儿头围最大处（约34-38cm），否则套头时仍会卡头，开肩设计形同虚设

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85%

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Long-term

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开肩扣婴儿上衣category

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Unverified衣架肩端应为圆弧膨大设计（弧度半径≥1cm）而非尖头或平直，尖头肩端会在婴儿针织衫肩部顶出凸起，反复晾晒导致衣物变形85% similar Unverified领口开口宽度应能轻松通过宝宝头围+2cm余量，且用弹性肩扣或斜襟按扣设计，避免纯套头无开口款——婴儿颈部力量弱，强行套头会造成不适和抗拒85% similar Unverified肩宽合身判据：穿上后肩缝线应正好落在肩骨末端，误差≤1cm，多出则显垮、少则拉扯，肩部是西装唯一无法后期修改的部位，优先级最高84% similar

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