tunnel mining的意思|示意

In one segment of the 45-minute video, which was edited down to five minutes before broadcast, a mining vehicle is driven down a tunnel.

在这段45分钟的视频里有一小段视频，后来在播出之前被编缩为5分钟，里面可以看到一采矿车辆正沿坑道行驶。

The interchanging tunnel mining method is suggested on bases of careful feasibility study in both technologically and economically. A new method is developed for recovering the large amount of o…

并提出了进路间隔回采方案，从技术和经济两方面作了详尽的可行性分析，为我国大量残留矿资源的回收探索了一条新路。

So we construct for the background by the Second Shizuishan Mining, tunneling of the coal road and rock drift, carried on research to single tunneling technique of the horizontal tunnel.

本文以石嘴山二矿煤、岩巷的掘进施工为背景，对水平巷道单巷掘进技术进行了研究。

With different construction method, (from Chapter 1 to Chapter 3), they are immersed tunnel, underwater shield tunnel and the underwater tunnel by using mining method respectively.

第1 - 3章分别是按施工法区分的水底沉管法隧道、水下盾构法隧道、水下矿山法隧道。

Optimizing roadway arrangement way unceasingly, reducing the tunnel drivage ratio is an important task in the mine mining design process.

不断优化巷道布置方式，降低巷道掘进率，是矿井开采设计过程中的一项非常重要任务。

The Shuttle accident, tunnel drilling equipment , mining equipment, cranes, leakage at the loading point of an offshore operation etc.

航天飞机事故，隧道钻探设备，小型设备，起重机，海岸渗漏等等。