摘要
坚持走国产化道路,从支架的总体设计、结构特点、工艺难点及保证措施方面阐述了ZY4400/09/21型薄煤层支架的研制过程,并从使用效果上充分肯定了该型支架的经济效益和社会效益。
The research of ZY4400/09/21-type bracket in thin coal seam has been explained in the aspects of overall design, structure character, technological difficulties and protecting measures. The economic and social effects are guaranteed by the results.
出处
《煤》
2006年第1期35-38,共4页
Coal
关键词
薄煤层液压支架
设计
研制
hydraulic support in the thin coal seam
design
research
