Unverified80% confidenceFactTime unknown
袖口、下摆的罗纹（螺纹）弹性和厚度决定卫衣寿命——罗纹越松垮越易失去回弹变成"喇叭袖"，选购时应拉伸测试回弹力，双层加密罗纹更耐穿
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80%
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Long-term
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Unverified看螺纹（袖口、下摆、领口）质量判断耐穿度：优质卫衣螺纹弹性回复好、含氨纶，拉伸后能回弹；劣质螺纹松垮无弹，几次穿着后袖口就『喇叭化』88% similarUnverified看罗纹下摆和袖口的弹性回弹：优质双层螺纹拉伸后能快速回弹，劣质罗纹松垮几次穿脱就变形'开口'，这是判断卫衣做工和寿命的关键细节87% similarUnverified袖口与下摆采用横织罗纹，弹性与回弹性优于普通螺纹结构，长期穿着后不易外翻变形，是该产品在细节耐久性上的实际优势。87% similarUnverified罗纹袖口和下摆的紧密度决定保暖和挺括度，罗纹松垮会漏风且容易翻卷，选择罗纹弹性好、回弹紧实的款式使用寿命更长86% similarUnverified领口和袖口的耐久性取决于罗纹密度和是否使用弹性包边工艺，平缝(flatlock)接缝比普通车缝更耐磨且减少摩擦不适，长时运动优选平缝款85% similar
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