选煤设备 meaning in Chinese

cleaning unit

Preparation of hard coal ; preparation plants ; flowsheets
选煤.选煤设备.工艺流程图
Preparation of hard coal - preparation plants - part 1 : planning
选煤.选煤设备.第1部分:计划
Development and application of the large - sized coal preparation equipment
大型选煤设备的开发与应用
Preparation of hard coal ; preparation - plants ; graphical symbols for flowsheets
选煤.选煤设备.工艺流程图形符号
Coal preparation equipment
选煤设备

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