coarse coal

常见例句

The paper also describes development state of the coarse coal slime centrifuge and gives an analysis on its application in China.
结合粗煤泥离心机的发展状况，分析了其在我国的使用情况。
An Initial Approach to Solution of the Problems Found in the Equipment Used for Coarse Coal Slime Recovery in Yangquan No. 2 Colliery C. P. P.
针对阳泉二矿采用圆盘过滤机回收煤泥过程中产生的问题进行分析并提出解决问题的办法。
This paper introduces existing problem of original coarse coal mire retrieving system, puts forward improving way. Effect is good after improved.
介绍了原粗煤泥回收系统存在的问题，提出改进措施，改造后效果很好。