请输入您要查询的英文单词:

 

单词 copper deposits
释义
copper deposits
It has the world's richest copper deposits, with grades of 4.5 per cent copper per tonne of ore versus 0.75 per cent for world-class mining projects elsewhere.
Times, Sunday Times
Copper deposits from the mint leached into the soil and stained skeletons buried beneath.
Times, Sunday Times
The copper deposits had been all but depleted by the 18th century, but new industries, such as timber, paper, and textiles, developed.
Retrieved from Wikipedia CC BY-SA 3.0
The ancient pits and trenches led to the discovery of many of the copper deposits that were mined in the 19th century.
Retrieved from Wikipedia CC BY-SA 3.0
The town has magnesite, gold, silver and copper deposits.
Retrieved from Wikipedia CC BY-SA 3.0
随便看

 

英语词典包含147115条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。

 

Copyright © 2004-2022 Newdu.com All Rights Reserved
更新时间:2024/12/23 21:18:19