| 1 | This paper presents the design and construction of these diversion tunnels. | |
| 2 | It is sometimes used to bind the walls of tunnels. | |
| 3 | There are also many of what I call "gun lines" - artillery positions without tunnels or bunkers. | |
| 4 | The technique of tunneling by smooth blasting under complex geological conditions is presented and the technique gives good results in the water conservancy project. | |
| 5 | Probably now, if he tried, he could get through that long tunnel, but he was not going to try yet. |
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