longwall是什么意思
2024-01-21 18:36:17
longwall
adj. [矿]长壁开采法的
例句
- These seals are primarily used for Longwall Roof Supports. 生产的密封主要用于长壁工作面液压支架上。
- The reasonable layout of tunnel below longwall face is described. 论述了受采动影响的底板岩巷的合理布置问题。
- The new technique increases the efficiency of longwall panel mining. 这种新技术提高了长壁盘区采矿的效率。
- With the support system, Cuijiazai Mine was successfully in a longwall coal mining. 应用此方法,崔家寨煤矿成功实现了长壁连续开采。
- According to the conditions of seam No.5 in Shifengshan Coal Mine,longwall face roof coal drawing method is chosen. 通过对峙峰山煤矿5号煤采煤方法的设计,提出了采用综采放顶煤法回采5号煤。
- The paper regards the main roof strata in uphill and downhill mining of an inclined longwall as a elastic plate. 本文将倾斜长壁仰斜、俯斜开采的老顶岩层视为倾斜弹性板。当板的长短跨度之比＞2时，板的荷载主要由短跨边来承担。