急倾斜层 edge seam ; rearer seam ; steeply inclined seam

急倾斜 steep dip ; steep grade ; abrupt versant ; high-dipping

急倾斜开采 pitchwork

急倾斜矿脉 pitching vein

急倾斜上山 steeply dipping raise

急倾斜沟道 steep trench

急倾斜工祖 steep breast

急倾斜选矿机 steeply inclined separator

急倾斜煤层 sharp inclined coal seam