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| 1. | Wu-jian mountain tunnel applies now-ao method in Yong Zhang highway construction, the collapse of roof |
| 在永漳公路五尖岭隧道新奥法施工中,由于围岩地质条件差而造成的坍塌冒顶,本文介绍了对坍塌冒顶处理方案,供同类隧道施工借鉴。 |
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| 2. | This paper summed up the successful experiences in site treatment of roof collapse in recent years and |
| 本文总结了多年来现场冒顶处理的成功经验,并对几种常用的冒顶处理方法进行了评价。 |
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| 3. | main roof collapse |
| 老顶垮落 |
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| 4. | Due to the special geologic conditions of Jinchuan mining area, the phenomena of roof collapse in local |
| 金川矿区由于其特殊的地质条件,巷道局部发生冒顶的现象较多。 |
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| 5. | A roof collapse in a busy Indian market has killed at least five people and trapped dozens. |
| 在印度，一家繁茂市场的顶棚发生倒塌，致使至少5人死亡，多人被困。印度军方在正在协助进行救援工作。 |
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