Friday, September 16, 2022
Wednesday, May 10, 2023
问题:电厂机组大修的作业负责人应具备()工技术水平,并配备安全负责人。...
Friday, September 16, 2022
Friday, September 16, 2022
问题:人们根据特别的需要,预先为计算机编制的指令序列为程序。...
Tuesday, September 13, 2022
Friday, September 16, 2022
问题:气体全封闭组合电器由哪些元件组成?与其他类型配电装置相比,有何特...
Friday, September 16, 2022
问题:两台单相电压互感器接成V/V形,其总容量为()。...
Tuesday, September 13, 2022
问题:将发电机、变压器、断路器、隔离开关、互感器、避雷器、母线和电缆等...
Tuesday, September 13, 2022
Friday, September 16, 2022
问题:继电保护、自动装置做传动试验或一次通电时,应通知运行值班负责人,...
Friday, September 16, 2022
问题:三相异步电动机定子绕组:是电动机的电路部分,通以三相交流电时便会...
Friday, September 16, 2022
问题:1000W卤钨灯灯管表面温度可达()℃,因此与可燃物要保持一定距...
Friday, September 16, 2022
问题:电流平衡保护不能应用在单侧电源平衡线路的受电端。...
Tuesday, December 20, 2022
Friday, September 16, 2022
Friday, September 16, 2022
Monday, January 29, 2024
Friday, September 16, 2022
Friday, September 16, 2022
Friday, September 16, 2022