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- Combining with a tunnel construction case,an ordinary method of ascertaining Optimum hole depths in small exploration tunnel drivage is discussed. 结合一坑道施工实例,论述了小型探矿坑道确定最优炮眼深度的一般方法。
- In the river valley region,discal phenomena of drilling cores and laminated exfoliation of surrounding rock in the exploration tunnels are obvious. 河谷下切引起的应力集中是显著的 ,河谷地区许多构造形迹及地下工程中出现的若干围岩稳定问题都与此有关。
- They are building a submarine cable tunnel. 他们正在建设一条海底电缆隧道。
- They are digging through the hill to make a tunnel. 他们正在凿山建一条隧道。
- exploratory tunnel drilling method 勘探坑道掘进方法
- horizontal exploratory tunnel supporting 勘探水平坑道支护
- ventilation and drainage of exploratory tunnel 坑探勘探坑道通风排水
- The kid dug a tunnel in the sand. 小孩在沙堆里挖了一个地道。
- The two lanes merge going into the tunnel. 两条车道会合后引入隧道。
- The truck cleared the tunnel safely. 卡车安全地通过了隧道。
- He has to stoop to get through the tunnel. 他得弯下腰走过地道。
- The roar of the train reverberated in the tunnel. 火车的轰隆声在隧道里回荡。
- The prisoner escaped by digging an underground tunnel. 囚犯挖了一条地道逃跑了。
- Space exploration is still in its infancy. 宇宙探索仍处于初级阶段
- The roof of the tunnel caved in (on the workmen). 隧道顶坍塌(压住工人).
- The roof of the tunnel was supported by wooden props. 坑道顶用木柱支撑。
- They decided to make a full exploration of the accident. 他们决定对事故做一次全盘研究。
- A tunnel dug to intercept and destroy an enemy's mine. 对抗地道截断或破坏敌人坑道而挖的地道
- Humanity has made great progress in space exploration and medicine. 人类在太空研究和医学上取得了很大进展。
- Suddenly the train roared into a tunnel and everything was black. 突然火车轰隆隆地驶入一个隧道，四周的一切都漆黑一团。
