Objective To understand the hearing condition of noise exposed workers in the firepower plant.
目的了解火力发电厂噪声作业工人的听力情况。
Methods A hygienic investigation was carried out in a certain artificial gem plant, and dust concentrations and noise level of the workshops were measured.
方法对某宝石厂车间作业环境进行卫生学调查，测量车间环境粉尘和噪声水平。
In feed plant, hammermill is one of main facilities, and also a main resource of vibration and noise.
锤片式粉碎机是饲料生产中的主要设备，也是饲料厂中的主要振动和噪声源。
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