[KongchangAI]
Unverified85% confidenceFactTime unknown

泡棉耳塞需搓细后塞入并等待10-20秒回弹撑满耳道才有标称降噪效果,塞法不对会损失10dB以上,这是多数人觉得'不隔音'的主因

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85%
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Long-term
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