a copper mine的用法和样例：
- A Prelimary study is made of the leaching parameters of a copper mine tailing,and a new method for tailing leaching and copper recovery in the future is proposed.
- A bacterial strain NTG-01 which was resistant to 4.5mmol/L Cu2+and 2.0mmol/L Cd2+ was isolated from the soil of a copper mine in DaYe city of Hubei province.
- Abstract: Depending upon the in-situ experiment, field application of air curtain with multi-paral-lel fans as a resistant of airway was conducted in a Copper Mine in Anhui Province.
摘 要： 采用现场试验的方法,在安徽省某铜矿对多机并联空气幕的增阻作用进行现场试验研究。
- A copper coin formerly used in India and Pakistan.
- This mountain road leads to the copper mine.
- Principles of Safety and Hygiene in a Copper Mine