1) advanced break-tip blast
超前断顶爆破
1.
The stress monitor indicated that the roof advanced break-tip blast destroyed the structure of roof key layer,increased the roof crevasse degree,improved the distributed characteristic of stress field caused by mining.
本文研究了断顶爆破的基本原理、爆破参数、爆破工艺流程,制定出完善的断顶爆破方案,并成功实施了超前断顶爆破。
2) bursted main roof
爆破断顶
4) Advanced bore decompression explosion
超前卸压爆破
5) technology of advance pre-blasting
超前预爆破技术
6) heading blast
阶段爆破;超前工祖爆破;硐室爆破
补充资料：下断
1.判决。
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