英语词汇“Refractory sulfide copper ore”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	Refractory sulfide copper ore
释义	Refractory sulfide copper ore 难选硫化铜矿石
随便看	knowledge transformation knowledge transformation model knowledge transformaton knowledge transition knowledge transmission knowledge transmission mechanism KnowledgeTree knowledge tree knowledge trvaasformation knowledge type knowledge-typed employeesof college knowledge-type directors knowledge-typed persons knowledge-typed workers Knowledge type employee knowledge-type employee knowledge type employees knowledge-type employees knowledge type enterprise knowledge-type librarian knowledge-type organization knowledge-type peasant knowledge-type personnel knowledge types knowledge-type service