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1)  firm walls
坚实圃岩
2)  solid rock
坚石;坚岩
3)  firm; solid; substantial; sound
坚实
4)  hard rock
坚硬岩石
1.
Characters near strong impact loading zone in hard rock;
坚硬岩石在强冲击荷载作用近区的性状研究
2.
Aiming at the problem of poor blasting effects that exists universally in hard rockst,he middle deep hole blasting tests were done in hard rock tunnels at Shuangyang Mine;and the blasting test results of different kinds of cutting forms have been gotten.
针对普遍存在的硬岩中爆破效果差的问题,在双阳煤矿坚硬岩石巷道进行中深孔爆破试验,得到各种不同掏槽形式爆破的试验效果,通过比较得出复式桶式掏槽完全适合于中深孔爆破,炮眼利用率高。
3.
This paper expounds the Application of presplit controlled blasting technique in the hard rock blast,and introduces the general situation of the engineering,the design scope,the drill-and-blast technical parameters,the structure of charging and explosive load,the blasting network,and the firing order,etc.
阐述了预裂控制爆破技术在坚硬岩石爆破中的应用,介绍了工程概况、设计范围、钻爆技术参数、布孔方式、装药结构及装药量、爆破网络、起爆顺序等。
5)  hard rocks
坚硬岩石
1.
Through analysing the drillability and blastability of hard rocks according to characters of hard rocks, suitable blasting parameters and operation way are selected, and good blasting effect is obtained.
针对坚硬岩石岩性特征 ,通过对其可钻性与可爆性分析 ,选取适宜的爆破参数及作业方式 ,获得良好的爆破效果。
6)  Solid rock
坚硬岩体
补充资料:坚实
①坚固结实:~的基础。②健壮:身体~。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条