单词coal ball
un.: 煤结核；煤中结核
煤中结核
煤结核
Discussion on the Formation of the Coal Ball and Its Geological Significance
浅论煤核的形成及其地质意义
Problems in Automatic Operation of the Fuzzy Optimal Control for Coal Ball Mill Pulverizer at Zhenjiang Power Plant
磨煤机模糊优化控制在镇江电厂投入自动时遇到的问题
The Practice of the Repair Welding for the Cracks on the Shell Cover of Raw Coal Ball Mill
原煤球磨机端盖裂缝补焊修理实践
Analysis of the Coal Overflow Problem on Double Charge-discharge Coal Ball Mill
双进双出钢球磨煤机满煤问题的分析
A Method of Expanding Capacity of Coal Ball Mill Pulverizer
磨煤机的扩容改造