中煤 meaning in Chinese
middling coal
middlings
Examples
- Practice and result of middle coal rewashing process
增设中煤再洗工艺的实践与效果 - Standard practice for collection of coal samples from core
芯中煤样品的收集的标准操作规程 - Zhuozhou construction and engineering company huayilou hotel
中煤涿州建筑工程公司华谊楼饭店 - Plant , china coal , meini , coke sales
精煤、中煤、煤泥、焦炭销售。 - Study on separating middlings in self - production medium cyclone
自生介质旋流器洗选中煤的尝试