Concentration Plant of Banshi Mining company is the unit where crushing, ball grinding and concentration duty simultaneously exist for whole company.

板石矿业公司选矿厂担负着矿业公司破碎、球磨、选矿为一体的生产任务。

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This results are very usetul for the predicting mining damage and dividing the damage duty in the southern China where there are plentiful under water and Karst growth.

研究结论为南方岩溶发育地区开采损害预计和责任认定提供了依据。

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This paper discusses different drive gear failures in coal mining equipment featuring high power, low speed, heavy-duty and small dimension, and proposes measures against them.

针对煤矿机械功率大、速度低、重载和相对尺寸小的特点，分析了煤矿机械传动齿轮的失效形式，提出了改进途径。

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