;The major metal minerals recycled include tantalum niobite, fine spar, tantalum aeschynite, wolframite and scheelite, which have large density of generally 5 to 7.
要回收的金属
钽铌铁、细晶石、钽易解石、黑
、白，密度比较
，
为5~7。
scheelite
/'ʃiːlaɪt/ /'ʃilaɪt/
n. 白
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相似单词
scheduled, scheduled maintenance, scheduler, scheduling, scheebergite, scheelite, scheelitine, scheererite, schefferite, schefflera,