单词 | 开采矿石 |
释义 | 〔mine〕To excavate the earth for the purpose of extracting ore or minerals.开矿,采矿:为开采矿石或矿物而挖掘土地〔stope〕An excavation in the form of steps made by the mining of ore from steeply inclined or vertical veins.回采工作面:从陡峭的或垂直的矿脉中开采矿石而造出的阶梯形坑道 |
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