| 1. | Energy - saving practice of main fan in mine
矿井主要通风机的节能实践 |
| 2. | Determining bdk - 10 - no . 36 main fan ' s property
36型对旋主扇性能测定 |
| 3. | Reasonably adjusting main fan operation and raising economic profit
合理调整主扇运行提高经济效益 |
| 4. | Influence on mine main fan by fire - air pressure in mine fire
矿井火灾时期火风压对矿井主要通风机的影响 |
| 5. | The regulation for the main fan noise
风机噪声治理 |
| 6. | Application of variable - frequency speed regulation in main fans in coal mine
变频调速技术在煤矿主通风机中的应用 |
| 7. | Portable data collection system for performance test of mining main fan set
便携式矿井主通风机装置性能测定数据采集系统 |
| 8. | Improvement of limited position stoppage with air door of main fan in shigejie coal mine
石圪节煤矿主通风机风门限位闭锁的改进 |
| 9. | Approaches and measures for improving the economic benefits of main fan ventilation at coal mine
提高矿井主扇通风经济效益的途径和措施 |
