mining level的例句大全

Application of the fully mechanized longwall sub-level caving technology in the large-angle angular surface mining

综放技术在大倾角俯斜开采中的应用

The mining method designed in Yuanping Qichun coal mine, to arrived that resoures recycle ratio and mechanical level wiu be raised, mine ventilate system will be improved and gas, coal dust will be prevented.

对原平市石豹沟矿奇村井采煤方法进行改造设计，以达到提高资源回收率和采掘机械化水平，改善矿井通风系统，预防瓦斯、煤尘等重大事故。

Rescinding mining license promulgated unlawfully not only benefits to safeguard normal order of mining industry, but also benefits to correct error, promote enhancement of responsibility of issue organ and administrative level according to law.

撤销违法颁发的采矿许可证既有利于维护正常的矿业秩序，也有利于纠正错误，促使发证机关增强责任心，提高依法行政水平。

As increasing of mining depth, advancing of outputs of a single working face and changing of geological conditions, the disallowed gas concentration appears frequently at longwall top coal caving face in Lu' an mining district, blocks the farther advancing of producing level.

随着采深加大、工作面单产的提高及地质条件的变化，潞安矿区综放工作面瓦斯超限频繁，严重制约了综放集约化生产水平进一步提高。

What the social level circular is to develop renewable resources industry, turn "urban garbage" to "urban mining".

废弃物的社会循环就是发展再生资源产业，实现城市垃圾向城市矿山的转变。

Of these, coal mining technology for education reform at the provincial level professional pilot.

其中, 煤矿开采技术专业为省级教改试点专业.

Unite Mining Test and Application of Shallow Hole Shrinkage Stoping Method and Up Level Slicing Filling timbered horizontal cut and fill stoping

浅眼留矿与向上水平分层充填法联合开采试验与应用

ancient chinese mining technology had reached a high level in and zhou dynasties.

中国古代的采矿技术在商周时期已经达到很高的水平.

Through computer numerical simulation calculation and in situ observation, the basic mechanism of in coal depressurizing roadway layout and loosening blasting technique applied to depressurize the surrounding rock of a roadway along gob area in sub level caving mining is analyzed.

采用计算机数值模拟计算及现场观测方法，结合松动爆破技术分析了本煤层布置卸压巷对综放沿空巷道围岩卸压的机理。