计算题:某炉钢水量为80t,已知锰铁含锰量为82.5%,应向此炉钢水中加多少锰铁才能 发布时间:2020-01-03 06:27 │ 来源:www.tikuol.com 题型:问答题 简答题 问题: 计算题:某炉钢水量为80t,已知锰铁含锰量为82.5%,应向此炉钢水中加多少锰铁才能使钢水中的锰含量增加0.20%?(残锰不计,合金收得率为96%)
题型:问答题 简答题 In the first week, Jenna went to tryouts(选拔赛)for cheerleaders(拉拉队队员). She was competing against very talented girls, and she knew it would be for her to be selected. [ ]A. difficult B. easy C. boring D. interesting 查看答案