问题:水蒸气焙嫡图上的湿蒸汽区,定压线与定温线的关系为()。...
Saturday, September 17, 2022
Tuesday, September 13, 2022
Saturday, August 12, 2023
Tuesday, September 13, 2022
Saturday, September 17, 2022
Tuesday, August 19, 2025
问题:隔板汽封块在隔板槽内的轴向间隙应保持在()mm的范围之内,过大或过小都不合适A、0.01~0.10B、0.05~0.10C、0.10~0.50D、1.10~1.50...
Monday, August 12, 2024
问题:在温差不变的情况下,单位时间内通过平壁的导热量与壁厚成()比。...
Tuesday, March 11, 2025
问题:从传热学观点来分析汽轮机凝汽器中管子为什么要水平放置?...
Wednesday, May 14, 2025
Saturday, August 12, 2023
Tuesday, August 12, 2025
问题:朗肯循环汽耗率公式d=3600/(h1一h2)中,h1与h2分别表示()焓。...
Thursday, March 21, 2024
问题:在拆卸汽缸螺栓之前,向螺栓螺纹处喷洒渗透液是为了浸润螺纹之间的氧...
Saturday, September 17, 2022
问题:当选择冷焊工艺对汽缸裂纹进行补焊工作时,焊接过程应在室温下进行且应保持基体金属的温度始终不高于()℃为宜A、20B、70C、100D、150...
Friday, May 9, 2025
问题:测量汽封轴向间隙和通流间隙时,转子的推力盘必须紧靠在推力轴承的(...
Saturday, September 17, 2022
问题:采用中间再热循环后,在汽轮机中单位工质的总熔降()。...
Saturday, February 15, 2025
Saturday, November 23, 2024
Saturday, September 17, 2022
Tuesday, September 13, 2022
问题:凝汽器和发电机基础的横向中心线应与汽轮机基础的纵向中心线()。...
Monday, August 12, 2024