1) drift pass
平洞溜井
2) Drift-repass
平峒溜井
3) tunnel-orepass system
平硐溜井
1.
Mining methods employed include developing tunnel-orepass system,short hole pillar complemented with short hole shrinkage.
嵩县某金矿属较难采矿石,矿山采用平硐溜井开拓系统,开采选用浅井房柱法,辅以浅孔留矿法。
4) chute-level adit transportation
溜井-平硐运输
5) drift-orepass development
平硐溜井开拓
6) ore pass
溜井
1.
The reasons for the blockage in Zijinshan Gold Mine ore pass and corresponding precaution technology;
紫金山金矿溜井堵塞原因分析及其预防
补充资料：溜井掘进
见天井掘进。
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