采用这项技术可以从矿石浸出液制备钇富集物.The mentioned technology can be used for producing yttrium concentrate from ore leaching liquor.针对地浸矿山潜水泵提升浸出液的特点,研制了车载式电动提放潜水泵装置.The design sand pump for mine is discussed , and the method of increa...
Lenin lives on in the minds and hearts of millions of people.列宁永远活在亿万人民的心中。He bears a striking resemblance to Lenin.他酷似列宁。Lenin said to the guard that he had done right.列宁对那个卫兵说他做得对....