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...
In Alberta people mine and drill for oil, potash, petrol and gas.在亚伯达,人们采矿、打井开采石油 、 碳酸钾 、 汽油和天然气.In Alberta and Saskatchewan there are many hills where dinosaur bones were found.亚伯达和萨斯喀彻温省的许多山区发现了恐龙化石.The plains of Alber...
A brilliant shaft of sunlight burst through the doorway.一束耀眼的阳光从门口照射进来。Jackie was running around with all these brilliant people.杰姬混迹于这些才华横溢的人之间。He is a terrific athlete and a brilliant jumper.他是个出色的运动员，弹跳力非常好。...
那时候，牙科学刚起步，拔牙都不打麻药。In those days, dentistry was basic. Extractions were carried out without anaesthetic.他用过麻药,现在仍眩晕无力.He's still groggy from the anaesthetic.局麻药溶液中加入肾上腺素,使血管收缩.The addition of epinephrine to local an...