pillar blast

用法例句

The author has analyzed comparatively the drawback of loess and water stemming and the main advantages of using chemical stemming,and also proposed chemical stemming suits for blasting coal mining,which has better economic,safety and social benefit.

化学炮泥适用于煤矿爆破采煤。

Research on Optimization of Blasting Parameters in Majiata Opencast Mine

马家塔露天煤矿爆破参数优化的研究

Poisonous gas giving rise to in the mine blasting task harms to the human body and the countermeasure adopted;

煤矿爆破作业中有毒气体的危害及对策

A TEST AND RESEARCH ON UNLOADING BY BLASTING IN COAL SEAM 2 IN MEN TOU GOU COLLIERY

门头沟煤矿二槽煤爆破卸截试验研究

Application of Smooth Blasting with Medium Deep Holes in Mine Excavation

中深孔光面爆破在煤矿掘进中的应用

Terms relating to coal mining--Explosive material and blasting technique

GB/T15663.9-1995煤矿科技术语爆炸材料和爆破技术

Experimental Research on Rock Bench Blasting Method and Parameters in Hongtian Opencast Coal Mine

红田露天煤矿岩土台阶爆破方法和爆破参数试验研究

Research and Application of Deep-hole Blasting Antireflection Technique in 3_2 Coal Seam of Qi-nan Coal Mine;

祁南矿3_2煤层深孔爆破增透技术的研究及应用

The Blasting Parameters Testing and Researching in the Ma Jiata Opencast Mine of Rock Blasting;

马家塔露天煤矿岩层爆破参数试验研究

The research to building influence in Haolailiang coal mine of blasting vibration

爆破振动对壕濑梁煤矿建筑物影响的研究

Effect Analysis of Experiental Stage on Mohaupt Blasting with Drilling Through Coal Seams in Cuimiao Coal Mine

崔庙煤矿穿层钻孔聚能爆破实验阶段效果分析

Application of Chamber Blasting for Opencast Working Instead of Underground Working in Coal Mine with Fire(Down)

硐室爆破在火区煤矿井采转露采中的应用(下)

Numerical simulation of deep-hole blasting and its application in mine roof weaken

深孔爆破数值模拟及其在煤矿顶板弱化中的应用

APPLICATION OF SITE MIXING AND LOADING SYSTEM FOR EXPLOSIVE TO CASTING BLAST TECHNIQUE IN LARGE OPEN PIT COAL MINE

炸药现场混装技术在大型露天煤矿抛掷爆破中的应用

Application of I-kon Digital Detonator System on the Cast Blasting in Open Cut

I-kon数码雷管在露天煤矿抛掷爆破技术中的应用

after-damp n.[U]poisonous mixture of gases after the explosion of firedamp in a coal-mine

（煤矿沼气）爆炸后的毒气.

blasting survey of open pit

露天矿爆破工作测量

shotgun marriage [ wedding ]

【采矿】不平衡爆破的炮眼

Optimization of drilling and blasting parameter of fracture rock

破碎矿岩凿岩爆破参数优化方法探讨