Việt
vỉa dốc
Anh
steep seam
steep
steeply inclined
strongly inclined
Đức
steile Lagerung
Pháp
gisement en dressant
steep,steep seam,steeply inclined,strongly inclined /ENERGY-MINING/
[DE] steile Lagerung
[EN] steep; steep seam; steeply inclined; strongly inclined
[FR] gisement en dressant
o vỉa dốc