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
回收的金属矿物钽铌铁矿、
晶石、钽易解石、黑钨矿、白钨矿,密
比较大,一般为5~7。
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力量-约瑟夫·玛罗德·威廉·特纳 In Athens, the Greek government and the troika of international institutions overseeing its austerity programme have been sparring over what else Greece needs to do to get its next, €8 billion ($11 billion) tranche of bail-out funds.
在雅典,希腊政府
监管其紧缩计划
国际体系三头政治一直讨论:为了获得下一批80亿欧元(110亿美元)
紧急救助资金,希腊还需要做哪些工作。
报》(文章版)