1) Depressurized mining
卸压开采
1.
The research situation of depressurized mining and existence problem for medium-thick ore-body;
中厚矿体卸压开采技术研究现状及存在的问题
2) pressure-release mining method
卸压开采法
3) bottom slicing relieving mining
上行卸压开采
1.
Study and practice of bottom slicing relieving mining in condition of trouble coal seams with high ground stress under deep coal mine;
深井高应力难采煤层上行卸压开采的研究与实践
4) Unloaded mining technology
卸荷开采
5) relieved drainage
卸压抽采
6) opening unload slot
开卸压槽
1.
They adopted pouring plasm,racking loop,opening unload slot etc measures in the broken shaft , consequently ensured mine to produce in gear.
济宁三号煤矿风井井筒破坏后,在破壁处进行注浆、架圈、开卸压槽等措施,从而保证矿井正常生产。
补充资料：冲击波超压与动压