Friday, September 16, 2022
问题:W11-4D油田自强号使用的是法国梅兰日兰公司银河系列UPS,有...
Friday, September 16, 2022
问题:用钳形表进行电流测量后一定要把调节开关放在()电流量程的位置,以...
Friday, September 16, 2022
Friday, September 16, 2022
Friday, September 16, 2022
Monday, September 12, 2022
问题:变压器的调压分接头装置都装在高压侧,原因是()。...
Tuesday, September 13, 2022
Friday, September 16, 2022
Friday, September 16, 2022
Friday, September 16, 2022
Friday, September 16, 2022
问题:为便于识别母线的相别,所以将母线涂上任意的颜色。()...
Friday, September 16, 2022
问题:在三相四线制照明线路中,为什么有时发生有些灯很亮,有些灯不亮的现...
Friday, September 16, 2022
问题:Ⅲ类变压器短路试验可在降压电流的情况下进行试验,但最低不应低于额...
Friday, September 16, 2022
问题:4只60微法的电容串联使用时其等效电容量是()。...
Friday, September 16, 2022
Friday, September 16, 2022
Friday, September 16, 2022
Friday, September 16, 2022
Friday, September 16, 2022
问题:衡量物体()的能力叫电导。电导与电阻的关系是()。电导的单位为(...
Friday, September 16, 2022