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尘肺病历来是威胁煤矿工人生命的最主要的疾病，我省75％左右的尘肺病例发生在煤炭系统，有关煤矿工人尘肺病的调查及其防治的报道已经很多，但对那些越期诊断病例，即那些初诊就已经是回期或回期，以及直接从1期晋升为正期的这类特殊病例的研究甚少。本文对我省煤炭系统的218
Pneumoconiosis has always been the most important disease threatening the life of coal miners. About 75% of pneumoconiosis cases in our province occur in the coal system. There have been many reports on the investigation and prevention of pneumoconiosis among coal miners. However, There is very little research on these particular cases, ie, those who have had their first visit either retrograde or retrogressive, and those who have been promoted directly from Phase 1 to the normal. This article on the province’s coal system 218