厚煤层 meaning in English
callows
high coal
thick coal
thick seam
Examples
- Analysis on coal quality at light mining face in
中厚煤层轻放回采煤质问题分析 - Talking about the influence of the joins in thick coal seam
节理发育对厚煤层的影响 - Study of sublevel caving hydraulic support in gently inclined
厚煤层放顶煤支架的研制 - Application of combined supporting technology in large fracture of
厚煤层综放切眼中应用 - Gas control in outburst thick seam face with caving mining
高突厚煤层放顶煤工作面瓦斯治理