Leaching of copper from chalcocite with acidic acetonitrilecopper sulphate system was studied.研究了用酸性乙腈硫酸铜体系从辉铜矿中提取铜.The paper discusses a new method for producing cupric feed copper sulfate by chalcocite and ehalcopyite....
先将糖稍稍加热，以使其溶解得更快些。Warm the sugar slightly first to make it dissolve quicker.能溶解血栓的药物会有助于治疗心脏病。Drugs that dissolve blood clots can help people survive heart attacks.把盐放在温水里溶解。Dissolve the salt in the warm water....
你可以将收藏的全部CD保存在电脑硬盘上。You can store your entire CD collection on the computer's hard drive.米恩斯先生以卖计算机硬盘作为副业。Mr. Means sold computer disks as a sideline.40吉字节硬盘a 40GB hard disk...
Bruce Springsteen has re-hired his muso collective, the E Street Band.布鲁斯·斯普林斯汀重新组建了他的音乐团队，E街乐队。Workmen were hired to remodel and enlarge the farm buildings.雇用了工人来改造和扩建农场建筑。Her hired car was found abandoned at Beachy Hea...