义词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
物钽铌
、细晶石、钽易解石、黑
、白，密度比较大，一般为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.
主要回收的金属物钽铌、细晶石、钽易解石、黑、白，密度比较大，一般为5~7。
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