| 1. | Study on preparing sulphonated coal with raw coal in jixi 鸡西煤制磺化煤的研究 |
| 2. | The physical and chemical method of raw coal reduces miner 原煤的物理与化学方法降灰 |
| 3. | The discussion on raw coal cost forecast model 原煤成本预测模型的探讨 |
| 4. | Study and improvement of electric control of raw coal system 原煤系统电气控制的研改和完善 |
| 5. | Raise coal quality by strengthening the raw coal quality management 强化煤质管理提高经济效益 |
| 6. | Analysis on the raw coal blending in coal washery of tunlan coal mine 马兰矿选煤厂原煤配煤分析 |
| 7. | Civil construction design of raw coal surge bunker in huayu mine 浅谈玉华煤矿原煤缓冲仓土建设计 |
| 8. | Weighing system used in coal level measurement of raw coal storage 称重系统在原煤仓测量煤位中的应用 |
| 9. | Probing into raw coal mining technology in antaibao open - pit coal mine 安太堡露天煤矿原煤开采工艺探讨 |