Unverified80% confidenceFactTime unknown
纯棉肚兜洗后缩水率国标要求≤5%，选购看是否标注'预缩'或'水洗棉'处理，未预缩的洗后可能缩短2-3cm导致护腹长度不足
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Unverified全棉未经预缩处理首次水洗缩水率可达3-5%，购买前确认标注‘预缩处理’或‘防缩水’，否则应按大一号尺寸或长度多留2-3cm冗余选购90% similarUnverified重磅纯棉洗后缩水率高于普通棉T，首次水洗前建议预判缩水量（通常缩水3%-5%），初次购买可考虑选大半码88% similarUnverified普通纯棉缩水率约3%-5%，选购时童装建议比实际尺码大半码到一码留缩水余量；标注'预缩处理'或'水洗棉'的缩水率可控制在2%以内87% similarUnverified棉麻天然缩水率高达3%-8%，未标注「已预缩/水洗工艺」的裤子首次下水后腰围和裤长明显变小，建议买预缩款或购买时长度多留2-3cm82% similarUnverified莫代尔缩水率约3%-5%，比纯棉低，但首次下水仍会缩，购买贴身款建议正常码或大半码，宽松款可不用留量81% similar
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