钴-60γ线平均能量为(). A.1.17MeV B.1.25MeV C.1.33M 发布时间:2017-07-13 14:23 │ 来源:www.tikuol.com 题型:单项选择题 问题: 钴-60γ线平均能量为().A.1.17MeVB.1.25MeVC.1.33MeVD.2.5MeVE.0.6MeV
题型:单项选择题 We plan to have a special party the evening of January 28th, 2011. [ ]A.in B.at C.to D.on 查看答案