| 1. | Thinking about protecting the high - sulfur coal resource
保护高硫煤炭资源的思考 |
| 2. | Article 3 the coal resources are owned by the state
第三条煤炭资源属于国家所有。 |
| 3. | Discussion on improving coal resources recovery
提高煤炭资源回采率的几点意见 |
| 4. | Input - output analysis of shaanxi coal resources
陕西省煤炭资源投入产出分析 |
| 5. | Study of increasing the recovery rate of coal resources
关于提高煤炭资源回收率的探讨 |
| 6. | Measure of improving coal resource recovery ratio
提高煤炭资源采出率的措施 |
| 7. | Exploration of coal resource recovery
煤炭资源回收利用途径的探索与实践 |
| 8. | Coal resources and utilization accesses in panjiang mining area
盘江矿区煤炭资源及其利用途径 |
| 9. | Industry transformation of coal resource - based city of shanxi
山西煤炭资源型城市产业转型的思考 |
| 10. | Analyses on state and situation of coal resources in henan province
河南煤炭资源状况与形势分析 |
