设备已具备运行条件,经一次合闸操作即可转为运行状态,该设备处于什么状态()
A. 运行
B. 热备用
C. 冷备用
D. 检修
查看答案
Which method is used to detect rot in manila lines?()
A. Feeling the surface of the line for broken fibers
B. Measuring the reduction in circumference of the line
C. Observing for the appearance of mildew on the outer surface
D. Opening the strands and examining the inner fiber
带电灭火时,如选择干粉灭火器灭火,机体、喷嘴距带电体10kV线路不得小于()米。