| 1. | Study of anticorrosion design of city gas pipeline
城市燃气管道防腐设计的探讨 |
| 2. | Discuss on the inspection of city gas pipeline installation
城市燃气管道安装监检探索 |
| 3. | Discussion on problems of city gas development
城市燃气发展若干问题的探讨 |
| 4. | Technical analysis of conversion of xuanhua city gas sources
宣化区气源转换的技术分析 |
| 5. | Grey prediction of mid - longterm city gas load forecasting
城市燃气中长期负荷的灰色预测 |
| 6. | Units and symbols for city gas measurement
城镇燃气计量单位和符号 |
| 7. | Discussion on design and construction for city gas network
城市燃气管网设计施工中若干问题的探讨 |
| 8. | City gas branch pipeline designing
城市道路燃气支管设计分析 |
| 9. | Code for design of city gas engineering
城镇燃气设计规范 |
| 10. | Calculation and analysis for light hydrocarbon mixed with air as city gas
轻烃混空气用作城镇燃气的理论计算 |
