[KongchangAI]
Unverified80% confidenceCautionTime unknown

工业射击、电锯等高强度冲击噪音(>100dB)不建议依赖单层耳塞,应耳塞+耳罩双层防护,单耳塞NRR叠加耳罩并非简单相加,实际约取高者+5dB

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Long-term
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