Students often travel hundreds of miles to get here.学生常常赶数百英里的路来到这里。Faculty members complain that their students are unprepared to do college-level work.学院的老师们抱怨说他们的学生还很不适应大学的课业。Many students are not adequately prepared ...
Remove of iron from sulfuric acid leaching solution of ferrochromium alloy by goethite is researched.研究了用针铁矿法从铬铁合金硫酸浸出溶液中除铁并回收铬.Some martensite like bainites such as crossed type and midrib type in the alloy were investi...