各期单纯尘肺病例的平均死亡年龄和病程年限明显高于尘肺并发肺结核的病例。
The average death age and course of simple pneumoconiosis were obviously higher than those of pneumoconiosis complicated with tuberculosis.
各期单纯尘肺病例的平均死亡年龄和病程年限明显高于尘肺并发肺结核的病例。
The average death age and course of simple pneumoconiosis were obviously higher than those of pneumoconiosis complicated with tuberculosis.
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