1) false roof mining
伪托顶开采
2) false top
托伪顶
1.
The false top is that the existence pole exchanges weak caving rock stratum between the coal seam and direct top,In the coal mining,it may often happen.
通过对平岗煤矿5#煤在托伪顶回采时发生的局部冒顶事故原因的分析,提出了解决该问题的防治措施。
3) mining under water
顶水开采
4) caving
[英]['keɪvɪŋ] [美]['kevɪŋ]
落顶开采
5) oblique mining
伪俯斜开采
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:伪托
假托别人的名字。多指冒充前人:此画系伪托古人,并非真品。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
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