1) pitchwork
急倾斜开采
3) Sublevel caving mining of steep coal seam
急倾斜分段开采
4) steeply inclined deposit caving mining method
急倾斜崩落法开采矿床
5) inclination mining
倾斜开采
6) false inclination mining
伪倾斜开采
1.
In order to reduce the coal loss and increase the rate of recovery,the new mining methods are adopted,which is false inclination mining,top tunnel outward mining,and bottom tunnel outward mining.
为了减少煤炭损失,提高回采率,采取新的回采方式,即伪倾斜开采和上巷前进式、下巷前进式回采,使煤炭损失量降低到最小程度,提高了经济效益。
补充资料：慌慌急急
1.见"慌慌促促"。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条