longwall

基本解釋

These seals are primarily used for Longwall Roof Supports.
生產(chǎn)的密封主要用于長(zhǎng)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(dòng)影響的底板巖巷的合理布置問(wèn)題。
The new technique increases the efficiency of longwall panel mining.
這種新技術(shù)提高了長(zhǎng)壁盤(pán)區(qū)采礦的效率。
With the support system, Cuijiazai Mine was successfully in a longwall coal mining.
應(yīng)用此方法,崔家寨煤礦成功實(shí)現(xiàn)了長(zhǎng)壁連續(xù)開(kāi)采。
According to the conditions of seam No.5 in Shifengshan Coal Mine,longwall face roof coal drawing method is chosen.
通過(guò)對(duì)峙峰山煤礦5號(hào)煤采煤方法的設(shè)計(jì),提出了采用綜采放頂煤法回采5號(hào)煤。