ultra thick seam的意思|示意
特厚煤层，巨厚煤层
ultra thick seam的网络常见释义
巨厚煤层 巨厚煤层应力集中诱发冲击矿压的作用机理_理论研究_中国煤矿安全网 关键词：深部开采;巨厚煤层;FLAC3D;冲击矿压 [gap=1380]Keywords：deep mining;ultra thick seam;FLAC3D;pressure bump
ultra thick seam相关短语
1、 ultra thick coal seam 特厚煤层
2、 thick ultra thick coal seam 厚煤层
ultra thick seam相关例句
The feasibility of the protective coal pillar mining in the artificial inclined steep drift in the thick (ultra thick) coal seam of a large slope is discussed.
论证了急倾斜厚(特厚)煤层伪斜上山保护煤柱回收的可行性。