类别：英语 / 日期：2026-03-01 / 浏览：0 / 评论：0
claystone
美[k\'leɪstoʊn]
claystone
- 1 . Vanadium seldom forms mineral deposit. It is mainly exist in vanadium titanomagnetite coal gangue and claystone .
- 钒一般很少单独形成矿床, 它主要赋存于钒钛磁铁矿、石煤矿、粘土岩中.
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