gold ore mining 中文意思是什麼
gold ore mining
解釋
金礦石開采-
There are more than 1, 200 gold mines in china of which 739 are small, each with a daily mining capacity of less than 50 tons of gold ore
中國目前有1200家黃金生產商,其中739家是小生產商,每家的金礦石日處理量還不到50噸。
分享友人