sized coal meaning in Chinese

过筛煤
筛析煤
筛选煤

Development and application of the large - sized coal preparation equipment
大型选煤设备的开发与应用
Discussion on the boiler ventilation of the large - sized coal - fired power plant
论大型燃煤发电厂的锅炉通风
Report of exchange meeting of utilization results for fine - sized coal ash
全国粉煤灰综合利用成果交流会的情况报告
The big - sized coal enterprises informationization construction problems and solutions
煤炭企业信息化建设的问题及对策
A useful way to improve the rate of lump coal in small and medium - sized coal mine site
提高中小型煤矿场面块煤率的有效途径

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