1) coal gob area treatment
采空区治理
1.
Taking practical coal gob area treatment work as example in this paper according to the special stratum that thick gravel layer underlies the quaternary overburden, a fast and safe drilling technique is introduced.
以汾柳高速七里滩村办煤矿采空区治理工程为例 ,论述了在第四系覆盖层很厚且下伏卵砾石层也较厚的特殊地层中 ,如何进行快速安全钻进的问题 ,并分析了新工法的优越性及应用前
2) gob area comprehensive treatment
采空区综合治理
6) goaf management
采空区处理
1.
,1989,the partial mined-out spaces have caving naturally and some of these spaces have opened up to surface because of irrational goaf management.
结合云西矿区的生产实际情况,介绍在云西矿区开展采空区处理的试验研究工作。
补充资料:"谁污染谁治理"原则
见污染者负担原则。
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