1) wall hole
回采炮眼
3) pillar extraction drilling
煤柱回采钻眼
4) blasting mining
炮采
1.
The management of large angle blasting mining working face on “three soft” conditions;
“三软”条件下大倾角炮采工作面的管理
2.
Sum up the experiences of high yield and efficiency face at big angle blasting mining face;
大倾角炮采工作面高产高效经验总结
3.
The blasting mining caving coal face,large indination and overhand mining technology is successfully applied in Chaohua Coal Mine of Zhengzhou Coal Industry Group Comp.
郑州煤业集团超化煤矿采用炮采放顶煤工作面大倾角仰采技术取得成功,解决了大倾角采煤工作面的支架失稳问题。
5) porthole;embrasure
枪眼; 炮眼
6) parallel-hole method of sublevel stoping
平行炮孔分段回采
补充资料：炮眼
1.掩蔽工事的火炮射击口。 2.爆破前在岩石上凿的孔，用来装炸药。
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