Unverified88% confidenceDecision RuleTime unknown
无痕内衣的隐形效果核心在于罩杯边缘处理：激光切割或热压成型的边缘厚度＜1.5mm，穿紧身衣才真正看不出印记；而传统包边即使标注无痕，边缘仍有2-3mm凸起会显形
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88%
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Long-term
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