1) Underground crushing
坑内碎矿
2) drilling in pit
坑内钻探
1.
By using drilling in pit,ore reserve classification is increased,risks of underground mining engineering are reduced and avoided.
主要阐述了矿区通过实施坑内钻探,提高储量级别,降低和避免井下采矿工程风险,节约了成本,增加了效益。
3) underground mine
坑内矿
4) In pit crushing
坑内破碎
5) Underground mining
坑内开采
6) on-site repair
坑内修复
1.
This paper presents the scheme of a versatile robot for on-site repair of hydraulic turbine blade.
介绍了一种多功能的水轮机叶片坑内修复机器人方案和研究进展。
参考词条
补充资料：坑坑坎坎
1.坑坑洼洼，凹凸不平。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。