急倾斜
deep inclination
heavy pitch
sharply inclined coal seam
Steep coal seam mining
steep inclined
steeply inclined
high_dipping
Steep
steep dip
deeply inclined
Steep grade
Sharp incline
Steeply dip
急倾斜薄矿脉
Steeply dipping thin vein
Steep narrow vein
thin mineral ore inclines urgently
急倾斜薄矿体
Steeply-inclined Thin Orebody
急倾斜长壁综放工作面
Steeply inclined Longwell top-coal caving face
急倾斜厚矿体
dipping at high angle and thickness ore-body
急倾斜厚煤层
steeply-inclined thick coal
急－倾斜厚煤层
steeply inclined coal seam
急倾斜极薄煤层
steep inclined ultra thin seam
急倾斜交会摄影
low oblique convergent photography
急倾斜矿体
Steeply inclined ore body
Steeply-inclined Thin Orebody
steep deposit
急倾斜煤层
steep coal seam
thin steeply inclined seam
deeply inclined coal seam
steep lay of coal seam
steeply inclined seam
steep-inclined coal seam
deep inclined seam
steep inclined seam
slant coal seam
steep seam
steeply inclined coal seam
Coal pillar design
steep-inclined coal
sharp dip angle coal layer
steep coal strata
heavy steep and thick seam
急倾斜强突出煤层
steep seam with strong outburst