| 1. | Recently they have laid an underground pipeline
最近,他们铺设了一条地下管道。 |
| 2. | Recently they have laid an underground pipeline
最近他们铺设了一条地下管道。 |
| 3. | Numerical study of an unsteady transfer heat underground pipeline
埋地输油管道非稳态传热数值研究 |
| 4. | Examples of underground pipeline detecting by ground penetrating radar
探地雷达探测地下管线技术与应用实例 |
| 5. | Discrete variable optimal design for the underground pipeline network
地下排污管网系统离散变量优化设计研究 |
| 6. | Un - excavation underground pipeline engineering technique and its equipment
浅述非开挖地下管线工程技术及其装备 |
| 7. | Comprehensive mode and working method of the detection of underground pipeline
地下管线探测的综合模式及工作方法 |
| 8. | Application of horizontal directional drill to laying of underground pipeline
水平导向钻机在地下管道铺设中的应用 |
| 9. | Problem and solution of the cathode protect effect in underground pipelines
影响埋地管道阴保效果的难题及解决方法 |
| 10. | Effect analysis of underground pipelines detection with the ground penetrating radar
国内外探地雷达技术的比较与分析 |
