Mineral Resources Exploration is a Matter of Great Urgency -- Investigation on the Exploitation and Utilization of Major Mineral Resources in the City of Chongqing是什麼意思_Mineral Resources Exploration is a Matter of Great Urgency -- Investigation on the Exploitation and Utilization of Major Mineral Resources in the City of Chongqing在線翻譯_英語_讀音_用法_例句