superincumbent stratum
常見例句
- The determination of damage height of superincumbent stratum of goaf has immense meaning for safety and reasonable exploitation of coal seam under water body, building and railway.
確定采空區(qū)上覆巖層破壞高度，對(duì)“三下”煤層安全、高效開采具有重要意義。
chazidian.com 返回 superincumbent stratum