精煤 meaning in Chinese
clean coal
Examples
- Talking about the maximum output principle of the washed coal
浅谈精煤最高产率原则 - How to control and eliminate the welding strength
加强采制化管理缩小精煤产销间灰分误差 - A new process of two - stage dewatering for flotation concentrate
浮选精煤两段脱水新工艺 - Taking proper blend coal to increase clean coking coal yield
采取合理配煤增加冶炼精煤产量 - Plant , china coal , meini , coke sales
精煤、中煤、煤泥、焦炭销售。