国家《尘肺病诊断(GBZ70-2002)标准》明确规定,在有确切的生产性粉尘接触史的前提下,优良的高仟伏X射线胸片是作出尘肺病诊断和鉴别诊断的主要依据。因此,高质量的X射线胸片是尘肺病诊断的关键,是保障劳动者合法权益,对病人进行治疗、安置和劳动能力鉴定的重要依据[1]。1对象与 National “pneumoconiosis diagnosis (GBZ70-2002)” clearly stipulates that in the presence of the exact history of productive dust under the premise of good high-kV X-ray chest pneumoconiosis is to make the diagnosis and differential diagnosis of the main basis. Therefore, high-quality X-ray chest is the key diagnosis of pneumoconiosis, is to protect the legitimate rights and interests of workers, the patient treatment, resettlement and ability to work an important basis for identification [1]. 1 object with