The treatment of Pb Bi Ag sulfide ore and recovery of valuable metals with the corporation of pyro and hydro metallurgical process are investigated.是什么意思_The treatment of Pb Bi Ag sulfide ore and recovery of valuable metals with the corporation of pyro and hydro metallurgical process are investigated.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句