Unverified88% confidenceTradeoffTime unknown
PU慢回弹海绵塞降噪最强（NRR可达32-33dB）但需搓细后塞入等待膨胀，起床摘取后不可重复膨胀多次，属于半耗材；硅胶塞降噪弱但可水洗复用数百次
1
Sources
88%
Confidence
Long-term
Relevance
-
First Seen
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