2004•Coal Mine MachineryRequires access
The questions needing attention of coal mining machine in mining three-soft coal bed
Bin Jiang
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Abstract
This paper introduced the characteristic in mining three-soft coal bed and the working conditions of coal mining machine in mining three-soft coal bed,put forward the questions needing attention of coal mining machine in mining three-soft coal bed,provided theoretical analysis and reference ideas in choosing the type of coal mining machine and defining the chief parameter of coal mining machine in mining three-soft coal bed.