Selected method of main technical parameters of boom roadheader are expounded systematically, common experiential datas and computing formulas are given.
系统地阐述了悬臂式掘进机主要技术参数的选择方法，给出了常用的经验数据和计算公式。
Selected method of main technical parameters of boom roadheader are expounded systematically, common experiential datas and computing formulas are given.
系统地阐述了悬臂式掘进机主要技术参数的选择方法，给出了常用的经验数据和计算公式。
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