The major metal minerals recycled include tantalum niobite, fine spar, tantalum aeschynite, wolframite and scheelite, which have large density of generally 5 to 7.
主要回收的金属矿物
铌铁矿、细
、易解、黑
矿、白矿，密度比较大，一
5~7。
The major metal minerals recycled include tantalum niobite, fine spar, tantalum aeschynite, wolframite and scheelite, which have large density of generally 5 to 7.
主要回收的金属矿物铌铁矿、细、易解、黑矿、白矿，密度比较大，一5~7。
明：以上例句、词性分类均由互联网资源自动生成，部分未经过人工审核，其表达内容亦不代表本软件的观点；若发现问题，欢迎向我们指正。
