| 释义 |
coal dust
Translationscoal dust
coal dust[′kōl ‚dəst] (mining engineering) A finely divided coal, sometimes defined as coal that will pass through 100-mesh screens (100 wires to the inch or 40 wires to the centimeter). coal dust
coal dust Occupational medicine Finely particulate carbonaceous dust, often mixed with silicates; CD is a known lung irritant intimately linked to coal workers' pneumoconiosis–black lung disease. See Coal dust macule, Coal workers' pneumoconiosis. |