| 1. | Strengthen cost management increase economic efficiency 加强成本管理提高经济效益 |
| 2. | To gain economic benefit by improving finance management 加强财务管理提高经济效益 |
| 3. | Strengthen financial management , improve economic benefits 加强财务管理提高经济效益 |
| 4. | Development special maize improve economic returns 发展特种玉米提高经济效益 |
| 5. | The approaches for enterprises to increase economic benefit 浅谈企业提高经济效益的途径 |
| 6. | Optiming coal preparation system and increasing economic benefit 优化选煤工艺提高经济效益 |
| 7. | Raise coal quality by strengthening the raw coal quality management 强化煤质管理提高经济效益 |
| 8. | Developing coal cleaning and processing and lifting economic benefit 发展洗选加工提高经济效益 |
| 9. | Reasonably adjusting main fan operation and raising economic profit 合理调整主扇运行提高经济效益 |
| 10. | Adopting economical ventilation cross - section to improve economic benefit 采用经济断面提高经济效益 |