Monday, September 12, 2022
Monday, September 12, 2022
Monday, September 12, 2022
问题:过电压保护器的作用是将真空断路器在分合闸过程中()的操作过电压对地(),保护真空断路器及后续电器设备的安全运行。...
Friday, April 12, 2024
问题:风机中的油封和气封往往是什么型式的密封,简述其工作原理。...
Sunday, September 11, 2022
问题:烟罩与炉口的距离越小,转炉煤气CO含量越(),波动也越()。...
Monday, March 20, 2023
问题:强制润滑系统通常是由()、主油泵、辅助油泵、冷油器、滤油器、溢流...
Sunday, September 11, 2022
Sunday, September 11, 2022
Monday, September 12, 2022
问题:炼钢生铁国家标准的含磷上限是()。A、0.25%B、0.30%C、0.40%D、0.45%...
Monday, February 5, 2024
问题:风机出风口用来防止介质倒流防止回风撞击的阀门是()。...
Sunday, September 11, 2022
问题:接到厂调度值班人员命令要求风机投入生产后,值班员应将变频器高低速调速方式从()方式转换为()方式。...
Friday, January 5, 2024
Sunday, September 11, 2022
Sunday, September 11, 2022
Tuesday, July 11, 2023
Sunday, September 11, 2022
问题:离心鼓风机的性能曲线,是反映鼓风机性能参数之间()在曲线。...
Sunday, April 2, 2023
Friday, April 12, 2024
Sunday, September 11, 2022
Sunday, September 11, 2022