检修时当套管水平存放,安装就位后,带电前必须进行静放,110~220kV套管静放时间 发布时间:2017-11-10 00:34 │ 来源:www.tikuol.com 题型:单项选择题 问题: 检修时当套管水平存放,安装就位后,带电前必须进行静放,110~220kV套管静放时间应大于()小时。A.12B.24C.36D.72
题型:单项选择题 As he was _____ tired, he couldn't help _____ the housework. [ ]A. not a little…doing B. not a bit…doing C. not a little…to do D. not a bit…to do 查看答案