为了解火力发电机噪声对工人听力的影响程度,对3个火力发电厂380名发电机操作工和110名检验人员的听力状况进行了调查分析,现报告如下。1对象与方法1.1对象:接触组选择一直从事发电机操作工作2年以上,上岗前听力正常并无影响听力的病史和用药史的人员380名。对照组选择发电厂检 In order to understand the impact of thermal power generator noise on the hearing of workers, the investigation of the hearing status of 380 generator operators and 110 inspectors in 3 thermal power plants was conducted and the report is as follows. 1 Subjects and Methods 1.1 Object: Contact Group Select has been engaged in the operation of the generator more than 2 years, pre-induction hearing and did not affect the history of hearing and medication history of 380 staff. Control group choose power plant seized