| 1. | Technical renovation of high raise in yongshaba mine
用沙坝矿高溜井的技术改造 |
| 2. | Technical renovation of coal plow in power generation plants
电厂用犁煤器结构改进 |
| 3. | Speculations on technical renovation in medium and small - sized enterprises
对中小企业技术创新的思考 |
| 4. | Technical renovation of 420t h boiler ' s water level protection system
锅炉汽包水位保护系统的技术改造 |
| 5. | Technical renovation for homemaking the whole mechanical seal of phlegma pump
冷凝液泵机封的国产化改造 |
| 6. | By technical renovation the pump is able to run smoothly for a long period of time
通过技术改造，使液氨输送泵能够长周期平稳运行。 |
| 7. | Practice on technical renovation on three - product dense medium cyclone in wangfenggang coal preparation plant
轴类零件切断方法及常见问题 |
| 8. | Optimum design of technical renovation of basic control survey made under gushuyuan coal mine
古书院矿井下基本控制测量技术改造的优化设计 |
| 9. | Discussion on technical renovation of coarse coal slime treatment system of taiyuan coal preparation plant
浅谈太原选煤厂粗煤泥系统的技术改造 |
| 10. | Series - parallel connection of pumps used in technical renovation of pumping station in mountainous areas
水泵串并联运行在山区泵站技术改造中的应用 |
