机房内各种电缆的金属外皮、设备外壳和不带电的金属部分、各种金属管道等,总接地电阻不大 发布时间:2018-06-12 09:34 │ 来源:www.tikuol.com 题型:单项选择题 问题: 机房内各种电缆的金属外皮、设备外壳和不带电的金属部分、各种金属管道等,总接地电阻不大于( )。A.最长 B.最短 C.最方便 D.最实际
题型:单项选择题 In Renaissance, the European humanist thinkers and scholars made attempts to do the following EXCEPT ______.A. getting rid of those old feudalist-ideasB. getting control of the parliament and governmentC. introducing new ideas that expressed the interests of the rising bourgeoisieD. recovering the purity of the early church, from the corruption of the Roman Catholic Church 查看答案