在采掘工作面煤体中，为松动煤体、改变煤体的应力状态
... sand desert 沙质荒漠 deep hole standing shot 深孔松动爆破 isoprenaline 异丙基肾上腺素 ...
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According to fuzzy math theory, combining comprehensive evaluation method, quantitative effects of this long hole loosen blasting is evaluated systemly, which is a more reasonable to the practice in status quo.
根据模糊数学原理,结合综合评判的方法,系统地对本次深孔松动爆破效果进行评价分析,将爆破效果进行定量化,也就更加符合实际情况。
参考来源 - 煤层综采面底板岩石深孔松动爆破技术研究·2,447,543篇论文数据，部分数据来源于NoteExpress
本文简要介绍了深孔松动微差控制爆破技术。
Short delay controlled blasting technology for deep hole loose is presented in this paper.
基于松动圈的现场测试结果，研究声波波速沿孔深的变化规律以及爆破施工对于松动圈的影响。
The variation in acoustic velocity along the borehole and the influence of blasting on excavation damaged zone (EDZ) are studied based on the in-situ testing results.
正在翻译，请等待…路基挖石方采用风钻和潜孔钻打眼，小型松动爆破和深孔爆破，挖掘机和装载机装碴，自卸汽车运输，推土机配合。
Subgrade excavation of rock using pneumatic drill and DTH drill Hole drilling, loose blasting in small and deep hole blasting, excavators and loaders loading ballast, dump truck, bulldozer tie.
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