[KongchangAI]
Unverified80% confidenceTradeoffTime unknown

隔音量与舒适度存在矛盾:高NRR(30+)通常靠更厚耳杯和更大夹紧力实现,重量常达250g以上,长时佩戴颈部疲劳明显;轮机长时值守宜选NRR 28dB+重量≤220g的平衡款

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