| 释义 |
copper mining
基本例句
铜矿区
The Dajing copper mining and smelting relic site is the earliest one found in the northern China.
大井矿冶遗址是我国北方发现最早的一处古铜矿遗址。 cnki
Copper mining is one of the most difficult slurry- handling applications.
铜矿是泥浆处理中最困难的应用场合之一。 h6688
Based on long-term sales contracts, the company provides electricity to power distributors and state-owned and private copper mining companies.
根据长期的销售合约，该公司向配电商以及国营和私营铜矿公司提供电力。 gkong |