| 1. | Hard coal - determination of moisture - holding capacity
无烟煤.最大保水能力测定 |
| 2. | Preparation of hard coal ; preparation plants ; flowsheets
选煤.选煤设备.工艺流程图 |
| 3. | Preparation of hard coal ; preparation plants ; process control
选煤.选煤厂.过程控制 |
| 4. | Hard coal lignite , overburden , limestone , ash slag
烟煤褐煤剥离物石灰石灰渣矿渣 |
| 5. | Mine plans - petrography - part 5 : hard coal mining
矿山平面图.岩相学.第5部分:煤矿 |
| 6. | Hard coal - froth flotation testing - release evaluation
硬煤.泡沫浮选试验.释放评价 |
| 7. | Soft coal burns with more flames than hard coal
烟煤燃烧时火焰较无烟煤多。 |
| 8. | Preparation of hard coal ; preparation plants ; equipment monitoring
选煤.选煤厂.设备监控 |
| 9. | Preparation of hard coal ; terms relating to processes
选煤.工艺流程术语 |
| 10. | Preparation of hard coal - preparation plants - part 1 : planning
选煤.选煤设备.第1部分:计划 |
