... 井下把钩工 hitcher-on 井下采掘体积 mined volume 井下采矿工作 method of working ...
双语例句
1
In 2009 the two companies mined half of the world's diamonds, measured by carat volume.
2009年，这两家公司生产的钻石按卡拉数计算占全球一半。
2
From the model, the spatial distribution and the volume of the residual ore at the bottom can be accurately obtained and the ore amount in the mined cavity can be calculated.