| 1. | Analysis of investment value in china ' s town gas m tier 城市燃气行业投资价值浅析 |
| 2. | Study of anticorrosion design of city gas pipeline 城市燃气管道防腐设计的探讨 |
| 3. | The analysis of the peak - shaving of shanghai natural gas 上海城市燃气调峰分析 |
| 4. | Analysis of peak - shaving and storage of town gas 城市燃气调峰与储存问题的分析 |
| 5. | Method of testing for relative density of gas in urban area 城市燃气相对密度测定方法 |
| 6. | Analysis of investment value in china ' s town gas m 233 ; tier 城市燃气行业投资价值浅析 |
| 7. | Discuss on the inspection of city gas pipeline installation 城市燃气管道安装监检探索 |
| 8. | Discussion on problems of city gas development 城市燃气发展若干问题的探讨 |
| 9. | Grey prediction of mid - longterm city gas load forecasting 城市燃气中长期负荷的灰色预测 |
| 10. | On the history of japan ' s urban gas price regulation system 日本城市燃气价格规制制度沿革 |