longwall

常見例句

These seals are primarily used for Longwall Roof Supports.
生產(chǎn)的密封主要用于長壁工作面液壓支架上。
The reasonable layout of tunnel below longwall face is described.
論述了受采動影響的底板巖巷的合理布置問題。
The new technique increases the efficiency of longwall panel mining.
這種新技術提高了長壁盤區(qū)采礦的效率。
With the support system, Cuijiazai Mine was successfully in a longwall coal mining.
應用此方法,崔家寨煤礦成功實現(xiàn)了長壁連續(xù)開采。
According to the conditions of seam No.5 in Shifengshan Coal Mine,longwall face roof coal drawing method is chosen.
通過對峙峰山煤礦5號煤采煤方法的設計,提出了采用綜采放頂煤法回采5號煤。
The paper regards the main roof strata in uphill and downhill mining of an inclined longwall as a elastic plate.
本文將傾斜長壁仰斜、俯斜開采的老頂巖層視為傾斜彈性板。當板的長短跨度之比＞2時，板的荷載主要由短跨邊來承擔。