1) turn-angle winning
转角开采
2) revolving mining
旋转开采
1.
The revolving mining technology of light hydraulic support caving coal has been used successfully at No.
轻放支架综采放顶煤旋转开采技术在石台煤矿岩浆岩侵蚀且较薄厚煤层2318轻放工作面成功运用,取得了较好的经济效益,对同类条件下轻放旋转工作面的开采具有指导意义。
2.
Based on the analysis of the applications of the revolving mining of the fully mechanized working face, the paper focuses attention on the research of the revolving mining technique, parameters, behavior of rocks around coal face, layout of entry and support technology in the 2443 and -520 west 2 pillar which are gob-surrounded in Pangzhuang Coal Mine.
在分析综采工作面旋转式开采现状基础上,结合庞庄煤矿2443和-520西二煤柱开采实际,进行了综采旋转开采回收孤岛煤柱工艺方式、矿压显现规律、旋转区巷道布置和支护技术等方面关键技术研究,在实际生产中取得了较好的技术经济效果,可为在复杂条件下综采开采提供参考。
5) corner opening
转角开口
6) changing underground into opencast mining
地下开采转露天开采
1.
The harmfulness of high step burst body and the prevention of its taking place during the initial stage of changing underground into opencast mining;
地下开采转露天开采初期高台阶爆裂体的危害与防治
补充资料：地球自转角速度
rotational angular velocity of the earth
地球自转角速度:
地球本体绕通过其质心的旋转轴自西向东旋转的角速度。
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