Objective to study the epidemiological characteristics of pneumoconiosis and so as to provide scientific bases for establishing control and preventive countermeasures of pneumoconiosis.
目的探讨尘肺病的流行病学特征，为尘肺病的防治对策提供科学依据。
Meanwhile, the preventive, pre -control and calculating countermeasures are put forward from essential safety of man - machine link.
同时，从“人机环”本质安全化的角度，提出了预防、预控、预测的对策。
Objective:To propose the proper countermeasures for the quality control in future through the comparative analysis of preventive health supervision on different types of construction projects.
目的通过对不同建设项目施工设计预防性卫生审核文书质量比较分析，为以后建设项目施工设计预防性卫生审核提供对策建议。
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