The first happened in Uzbekistan, on September 30, 1966 with a blast 1.5 times the strength of the Hiroshima bomb and at a depth of 1.5 kilometers.
第一起是1966年9月30日，在乌兹别克斯坦境内，苏联以1.5倍于日本广岛核爆炸当量的爆炸，在地下1.5千米深的位置堵住了石油泄漏点。
As the depth of burst increases the amount of energy going into the air blast wave decreases.
随着爆炸深度的增加，转化为空中爆震波的能量便减少。
In this paper the construction plan of mid depth parallel cut blast is introduced, meanwhile some important technical questions are pointed out.
介绍了采用中深直眼掏槽爆破的施工方案，并指出几个关键性的技术问题。
应用推荐