问题:油压装置设置两套输油设备是为了保证足够的输油量。...
Friday, March 3, 2023
Sunday, September 11, 2022
问题:水力矩大小基本因素是由水的重量和其下落高度决定的...
Sunday, September 11, 2022
Wednesday, December 20, 2023
Wednesday, February 22, 2023
问题:机组长时间停机后,开机时需顶转子,这是为了。()...
Sunday, September 11, 2022
Sunday, September 11, 2022
Sunday, September 11, 2022
Sunday, September 11, 2022
Saturday, September 30, 2023
Monday, July 31, 2023
问题:微机调节器中的通信联络插板用于人机对话,实现数据调整,控制操作的...
Sunday, September 11, 2022
问题:水力发电机作为调相机组运行时,带无功愈多其功率损失。()A、愈小;B、不变;C、愈大;D、不一定。...
Saturday, September 9, 2023
Sunday, September 11, 2022
问题:调速器柜门不要经常打开,以免灰尘和杂物进入,使油脏污。...
Tuesday, December 5, 2023
Sunday, September 11, 2022
Saturday, January 14, 2023
Friday, December 30, 2022
Sunday, September 11, 2022
问题:水轮机和发电机的振动,可能引起调速器的共振,使调速器出现工作不稳定或摆动现象...
Monday, December 4, 2023