Unverified80% confidenceDecision RuleTime unknown
运动校服的裆部和膝盖应有立体剪裁或拼接氨纶弹性面料（含量3-8%），下蹲测试时无明显紧绷勒感，纯棉无弹力的运动裤易在跑跳时限制动作并快速磨损膝盖
1
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80%
Confidence
Long-term
Relevance
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Unverified运动型校裤膝盖处双层加固或耐磨补丁设计，膝盖是磨损最快部位，无加固款一般1学期就起球磨薄85% similarUnverified包臀裙面料需含3%-5%氨纶弹力才能兼顾贴合与行动自由，纯无弹面料坐下易紧绷、下蹲受限并加速臀部起皱变形82% similarUnverified亚麻裤腰头优先选侧边松紧或抽绳设计，纯硬质腰头在久坐后因面料无弹性会明显勒腰，混纺加少量氨纶(2-3%)可缓解82% similarUnverified健身/力量训练选套装上衣时，肩背和腋下需有拼接弹力布（含氨纶8%-15%），纯棉套装拉伸后易变形不回弹，仅适合低强度瑜伽或居家81% similarUnverified弹力卫裤久穿后膝盖和臀部易变形松垮，氨纶比例足够（≥5%）配合双向弹力面料回弹更好，纯棉+低弹款穿几次即出现膝盖鼓包。81% similar
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