[KongchangAI]
Unverified80% confidenceFactTime unknown

子弹型(锥形)设计相较圆柱型耳塞插入后外露部分更短,整体佩戴轮廓较低,是3M泡棉系列中公认对耳道摩擦感相对较小的形状之一

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80%
Confidence
Long-term
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