Tuesday, September 2, 2025
问题:SF6气体箱内压力应在正常范围内(),无泄漏现象。A、300KPaB、700KPaC、1000KPa...
Sunday, July 27, 2025
问题:炉膛火焰中心上移,过热汽温度()。A、上升B、下降C、不变...
Tuesday, September 2, 2025
问题:泡沫灭火器内溶液在超过()时,应对其溶液重新进行更换。A、半年B、一年C、一年半D、二年...
Wednesday, March 19, 2025
Sunday, April 6, 2025
Friday, December 22, 2023
Monday, August 19, 2024
Thursday, September 11, 2025
Sunday, April 6, 2025
Tuesday, September 2, 2025
Wednesday, May 29, 2024
Wednesday, September 18, 2024
问题:标准煤的收到基发热量是()。A、5000KJ/KgB、7000KJ/KgC、29270KJ/Kg...
Wednesday, March 12, 2025
Monday, September 23, 2024
Wednesday, August 7, 2024
Sunday, July 27, 2025
Monday, September 23, 2024
Sunday, July 27, 2025
问题:水环真空泵的工作原理是利用泵内偏心叶轮旋转过程,形成的封闭腔体容积的变化完成抽汽压缩排汽的全过程。...
Monday, December 2, 2024
Thursday, September 11, 2025