噪声电平记录
recording of the noise level
Methods SH-126 recording sound level meters were applied to measure noise exposure individually in two groups of air compressor operators for each workday. At same time working environmental noise levels in the two workshops were also measured using the sound level meter with traditional way.
方法采用SH126记录式声级计测量两组空压工在不同工作日内的噪声暴露,同时用声级计按经典方法在典型工作位多点测量噪声水平。
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