| 1. | Application of soil nailing in tunnel portal excavation
土钉支护在隧道洞门开挖中的应用 |
| 2. | Numerical simulation of exhaust gas convective diffusion from a tunnel portal
隧道峒口废气对流扩散的数值研究 |
| 3. | Study on the controlling method of exhaust gas diffusion from a tunnel portal
隧道峒口污染物扩散控制方案的研究 |
| 4. | Tunnel portal tsing yi east
隧道出入口青衣西 |
| 5. | Design of tunnel portal section with large span in complicated terrain and geology area
地质情况下大跨度隧道洞口段设计 |
| 6. | Investigation of aerodynamic characteristics of tunnel portals in high - speed railway
铁路隧道缓冲结构空气动力学特性的试验研究 |
| 7. | So effective methods should be taken to control the diffusion of the pollutants from the tunnel portal
因此，应采取有效措施，控制隧道峒口污染物的扩散。 |
| 8. | An example comes from engineering facts is put forward to discuss tunnel portal construction methods
在此基础上论述了隧道洞口段施工技术在实际工程中的应用。 |
| 9. | 1 turn left after leaving lion rock tunnel portal for lung cheung road e b , then choi hung interchange to kwun tong road
1在隧道出口转左沿东行，彩虹交汇处及观塘道东行往东隧。 |
| 10. | Tunnel portals are always locate at the complex geography condition ground , so auxiliary construction methods are needed to reinforce it
隧道洞口段由于地质条件一般都很复杂，因此需要采用各种辅助工法进行加固。 |
