coal-mining methods的意思|示意

Based on the analysis about the composition of cost in coal preparation and the practical situation in Jincheng mining bureau, some methods to decrease the cost are put forward.

在分析选煤加工费构成的基础上，针对晋城矿务局某矿实际提出了一些降低选煤加工费的方法和途径。

The fully mechanized mining supporter has been widely applied in the coal mine production at present, but the installation is still quite difficult and the installation methods are various too.

目前综采支架在煤矿生产中得到了广泛应用，但其安装工作仍十分繁重而艰巨，安装方法也多样。

The stability of south slope in Yinmin Coal and Electricity Company is analyzed and the stability of the slope is controlled by four weak layers and the restraining mining methods is effective.

对伊敏煤电公司露天矿南帮边坡稳定情况进行了实例分析，变形区边坡稳定性主要受四个泥岩弱层控制，采取内排压脚等控制开采的方法是有效的。

In this article, classification and prediction methods of data mining was applied to predict gas concentrations which is the application of data mining coal and gas research.

本文将分类和预测等数据挖掘方法应用于瓦斯浓度的预测，是对煤矿瓦斯数据挖掘的应用和研究。

This paper analyzed factors affecting coal and gas outbursts in Yangquan mining area. It also reviewed coal and gas outbursts prediction methods and their results.

本文分析了阳泉矿区煤与瓦斯突出地质因素，总结了突出的预测方法及效果。

The science methods of coal quality management in Yangquan Mining Group Corporation Ltd. were introduced in this paper.

介绍了阳泉煤业(集团)有限责任公司煤质科学管理的方法。