Overlength isolated working face reduces the superposed influence of abutment pressure on isolated working face.

超长孤岛工作面减小孤岛工作面侧向支承压力的迭加影响.

The micro fractures are firstly formed in roof above the working face.

研究表明:工作面上方采空区靠顶板侧岩层首先产生微裂隙.

Water normally accumulates at the working face in blasting for shaft sinking.

在立井掘进爆破中,工作面通常有积水.

Fully-mechanized Coal Winning is difficult in the production with complex working face.

综合机械化开采对构造复杂工作面生产具有较高的要求。

Fully - mechanized Coal Winning is difficult in the production with complex working face.

综合机械化开采对构造复杂工作面生产具有较高的要求.

Study the automatic system of fully mechanized sublevel caving working face applying neural network control theory.

应用神经网络控制技术对综放工作面自动化系统进行了研究.

The successful application experience of internal enby left technology at inclined fault working face is expounded.

介绍了斜交断层工作面内部留巷技术在义络公司的成功应用经验.

With the development of technology, automation of fully mechanized sublevel caving working face now becomes a main trend of modern mining.

随着生产技术水平的不断提高，综放工作面自动化是现代采煤发展的一个必然趋势。

Gas or smut explosion induced by blasting ignition in the working face of digging and blasting can be prevented by using spray-blasting technology.

论述了采用喷雾爆破技术可以防止炮掘工作面因放炮火焰引起的瓦斯、煤尘爆炸事故。

The fractal dimension of the microseismic activity before and after adjusting the distribution of working face in Jiulongpen region of Mentougou mine is analyzed.

本文对门头沟煤矿九龙盆地区人工开采活动调整前后的微震活动的分维结构变化进行了分析。