人类在从事各种劳动中,接触到许多对人体有毒有害的职业因素,其中有:化学性的、生物性的、物理性的及不良劳动工具造成的生理性的。广义讲,在生产环境和劳动过程中,劳动者接触有害物质,由此造成对机体损害而引起的疾病,统称为职业病。但并非所有由作业场所造成的疾病都被确诊为职业病。许多国家包括我国由政府明文规 In engaging in all kinds of labor, human beings are exposed to many occupational factors that are toxic and harmful to human beings. Among them are: chemical, biological, physical and physical means caused by bad working tools. Broadly speaking, in the production environment and labor process, workers exposed to harmful substances, resulting in damage to the body caused by the disease, collectively referred to as occupational diseases. However, not all diseases caused by workplaces are diagnosed as occupational diseases. Many countries, including our country, are governed by the government