| 1. | An oil pipe is being laid between the two cities
在两座城市间正在铺设一条油管。 |
| 2. | Oil pipes freeze protcction , wax melting and thermal insulation
石油管线防凝、解蜡和伴热保温。 |
| 3. | Study on promoting the manufacture quality of screwed joint of oil pipe
提高油管接箍螺纹加工质量的研究 |
| 4. | Application of surface granosealing technology on oil pipe coupling
表面磷化处理技术在油管接箍上的应用 |
| 5. | Application of ultrasonic detection in robot of detecting oil pipe
超声波检测在石油管道检测机器人中的应用 |
| 6. | Russian national interests in disputes over oil pipes in the far east
俄罗斯在远东石油管道之争中的国家利益 |
| 7. | Fuel oil pipe line - solenoid valves
燃油管道.电磁阀 |
| 8. | Analysis on game between us and russia in caspian petroleum and oil pipe
美俄在里海石油及管道问题上的博弈分析 |
| 9. | Analysis on crack of oil pipe
滑油管裂纹分析 |
| 10. | Bearing oil pipe union
轴承润滑油管接头 |
