Tuesday, May 7, 2024
Sunday, September 11, 2022
问题:送风机液油压大于()MPa,润滑油压流量大于13.4L/min时允许启动送风机。...
Tuesday, December 24, 2024
Tuesday, September 27, 2022
问题:磨煤机经常出现间歇性振动,你认为可能是何种原因?...
Monday, June 26, 2023
问题:当过热器和再热器系统均需进行水压试验时,应先试验(),后试验过热器系统。...
Thursday, June 15, 2023
问题:电动机测绝缘时,首先应将电动机(),然后选择()的兆欧表,并检查...
Sunday, September 11, 2022
Wednesday, February 7, 2024
Tuesday, May 7, 2024
Sunday, September 11, 2022
问题:锅炉正常运行时保持炉膛负压-40~-147Pa,煤粉着火点距燃烧...
Sunday, September 11, 2022
问题:当发电机用空气冷却或二氧化碳作为中间介质气体运行时,转速不得超过()r/min。...
Tuesday, June 10, 2025
Thursday, December 22, 2022
Sunday, September 11, 2022
问题:无论是在变压器投入运行的过程中还是大停运的过程中均应先合入中性点接地开关。...
Monday, June 3, 2024
Monday, November 13, 2023
问题:保证正确切断离故障点最近的断路器的性能称为继电保护的()。...
Sunday, September 11, 2022
Tuesday, May 7, 2024
Tuesday, May 27, 2025
问题:2×300MW锅炉为()、一次中间再热、自然循环汽包锅炉;采用平...
Sunday, September 11, 2022