您要查找的是不是：
- n-backn-back
- n-back任务n-back task
- 采矿是一种对身体有害的工作。Mining is an unhealthy job.
- Back-test检验normal distribution test
- 钻井机一种在采矿中用来挖掘矿井时在石头上打孔的工具A rock-boring tool used in mining for sinking shafts.
- Back-fitting技巧back-fitting technique
- 一爿采矿公司a mining company
- 表层采矿surface mining
- back-propagation（BP）算法back-propagation (BP) algorithms
- 霸占土地(或采矿权)to jump a claim
- (采矿)钻头超速bit overfeed
- 海底采矿技术undersea mining technology
- 薄矿脉采矿法narrow vein mining method
- 禁止将探矿权、采矿权倒卖牟利。Profiteering in exploration right or mining right shall be prohibited.
- 采矿船mining dredger
- 采矿联合机combination cutting and loading machine
- 矿山企业的开采回采率、采矿贫化率和选矿回收率应当达到设计要求。It shall see to it that the recovery rate and impoverishment rate in mining and recovery rate in ore-dressing meet the design requirements.
- 采矿安全mining safety
- 采矿驳船mining barge
- 采矿等级mining ore grade
