| 1. | Coal mining has always been a dangerous occupation .
采煤向来是一种危险职业。 |
| 2. | Robert and slogger were still cutting coal when david reached them .
当大卫到达罗伯特和斯洛格跟前时，他们还在采煤。 |
| 3. | Simulation of shearer based on virtual prototyping
基于虚拟样机技术的采煤机仿真 |
| 4. | Mining high gas coal seam with enclosed mining method
封闭式采煤法开采高瓦斯煤层 |
| 5. | Features of steep coal seam and its mining technology
急倾斜煤层的特点及采煤工艺 |
| 6. | Brief discussion on feasibility of applying
杜绝斜坡采煤法二次进塘作业的可行性 |
| 7. | The mounting type and its parameter for shearer drums
采煤机滚筒连接方式及其参数 |
| 8. | The support power of the trend longwall coal face
走向长壁高档采煤工作面支护力 |
| 9. | Comprehensive control of gas at high gas coal face
高瓦斯采煤工作面的瓦斯综合治理 |
| 10. | Factor analysis of continuous miner on coal lump
连续采煤机参数对煤块度影响的分析 |
