开采机理 production mechanism ; recovery mechanism
机铲开采 shovel mining
螺旋钻机开采薄煤层法 [矿业] auger mining
煤矿开采联合机 coal mining combine
本实用新型提供一种矿山岩石开采机，它采用在双轨移动式机架上安装有纵向切割装置的方式完成对矿石的切割。
The utility model provides a mine rock mining machine which finishes a cutting towards ores via a longitudinal cutting device positioned on a mobile double-track frame.
现今，一条配有长长铁轨的联合开采机不断啃噬着旧海床10英尺厚的盐层，直到它被推行11英里回到盐厂进行清洗和沉淀。
Nowadays, a great rail-mounted combine chews away at a 10-foot-thick layer of salt in the old seabed, before it is towed 11 miles back to the plant, and washed and ground.
例如，一些油砂开采公司由于缺少大型推土机而无法增加产量。
Oil sands companies can't increase production because they can't get tires for their big earthmovers, for example.
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