2) light-duty roof caving coal hydraulic support
轻型放顶煤液压支架
1.
The design of light-duty roof caving coal hydraulic support equipped with flat tramcar;
轻型放顶煤液压支架配套平板车设计
3) sublevel caving hydraulic support
放顶煤支架
1.
Analysis about base cracks of sublevel caving hydraulic supports;
放顶煤支架底座开裂原因分析
2.
It has spreading meaning of sublevel caving fully-m echanized coal winni ng technology This paper introduces the existing problem in the working process o f sublevel caving hydraulic support and the key technology about model selection again,experiment situation,the effect and benefi
放顶煤综合机械化采煤方法具有推广意义 ,介绍了晋煤集团古书院矿综采放顶煤开采实践过程中 ,放顶煤支架存在的问题及重新选型的关键技术问题、试验情况、使用后的效果及效益情况。
4) support
[英][sə'pɔ:t] [美][sə'pɔrt]
放顶煤支架
1.
Analysis of lateral force and structure stability for supports used in top coal;
放顶煤支架侧向力及结构稳定性受力分析
5) hydraulic pressure bracket
低位放煤液压支架
1.
Introduces the design of network structure of hydraulic pressure bracket ZFS6000/22/35 which putting coal on law level.
重点介绍了ZFS6000/22/35型低位放煤液压支架的架型结构设计。
6) light supports caving mining
轻型支架放顶煤
补充资料：综采放顶煤
综采放顶煤：厚煤层煤炭开采技术之一。把原来分层开采的煤炭，一次采完。方法是，在煤层底部按传统方法开采，使上面的煤炭在矿压的作用下，自动落下来。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条