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报道:对等效连续声级为103dB(A)的中高频非稳态噪声作业和80名噪声暴露工人的听力进行了调查,并对噪声暴露时间与听力损伤程度
Reported: A survey was conducted on medium- and high-frequency unsteady noise work with equivalent continuous sound level of 103 dB (A) and hearing of 80 noise-exposed workers. Noise exposure time and degree of hearing impairment