煤炭自燃是义马煤田主要灾害之一。
Coal spontaneous combustion is one of disaster in Yima coalfield.
河南有多个重要的产煤中心，包括平顶山，义马和焦作。
There are several important centers of coal production in Henan, including Pingdingshan, Yima, and Jiaozuo.
介绍了该技术在义马矿区的应用，其效果良好，值得推广应用。
The application of this technic in Yima mine area is introduced, which result is better and worth of spreading.
应用推荐