With low utilization efficiency, the energy consumption is extremely high during coal grinding process.
煤炭的研磨过程能耗高、能量利用率低。
Features are: simple structure, low cost, and high utilization efficiency.
本发明具有结构简单，成本低和利用效率高等特点。
Features are: simple structure, low cost, and high utilization efficiency.
本发明具有结构简单，成本低和利用效率高等特点。
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