The method is presented for preparation metasilicate pentahydrate from residue after extracting magnesium from serpentine ore.以蛇纹石提镁残渣为原料,采用常压蒸馏法直接合成了六配位有机硅化物.Gold ore main type is auriferous quartz vein type.金矿床主要为含金硫化物...
We dowse oil and ore in South America for big companies.我们在南美洲为一些大公司探测石油和矿石。How many tons of ore can this machine crush in an hour?这机器每小时可以破碎多少吨矿石?The net profit amounts to 20 dollars per ton of ore.每吨矿砂的净利达20美元....
In August 1935 , we began our march across the marshy grassland.1935年8月, 我们开始过草地.The surrounding land is low and marshy.周围的地低洼而多沼泽.The river Till strained among some score of willow - covered, marshy islets.铁尔河蜿蜒在几十个长满了柳...
Ever since we moved last year, I worry a lot about whether I can handle this new job...自从去年我们搬家，我就一直非常担心能否做好这份新工作。She had to cling onto the door handle until the pain passed...她只好紧紧握住门把手，直到不疼了才松开。He flew off the handle a...
The specter of war loomed ahead.战争的阴影逼近了.The terrible specter of civil war hung over the country once again.内战的可怕阴影再一次笼罩这个国家。The news of more cuts has raised the specter of redundancies once again.关于进一步裁减的消息让人们担心会再次裁员.Th...