问题:反击式水轮机尾水管,增加水轮机的水头损失从而降低了水轮机的效率。...
Monday, March 25, 2024
Monday, January 22, 2024
问题:水轮机导轴承、发电机上下导轴承、推力轴承、发电机定子、转子绕组和铁芯、油槽内、空气冷却器的进出口处,都安装有温度信号器。...
Sunday, February 11, 2024
Friday, March 29, 2024
问题:M24表示公称直径为24mm,右旋的粗牙普通螺纹。...
Sunday, February 11, 2024
Sunday, July 2, 2023
问题:力的作用效果有两种,一是使物体的运动状态改变,二是使物体产生()。A、运动B、动量C、变形D、静止...
Monday, March 25, 2024
问题:热处理对充分发挥材料的潜在能力、节约材料、降低成本有着重要意义。...
Tuesday, August 1, 2023
Monday, October 30, 2023
问题:单层λ型叶片密封装置防漏油效果较差,防渗水效果也较差。...
Saturday, February 17, 2024
Monday, May 22, 2023
Friday, March 29, 2024
Sunday, July 2, 2023
问题:在生产现场进行检修或安装工作时,为了保证安全的工作条件和设备的安全运行,防止发生事故,发电厂各分厂及有关的施工基建单位,必须严格执行()制度。...
Friday, September 15, 2023
问题:发电机主要有哪些用油、用水、用风系统?它们的作用如何?...
Tuesday, March 26, 2024
问题:油管路包括()管路、()管路、排油管路和()管路。...
Friday, March 29, 2024
Saturday, February 17, 2024
Wednesday, December 27, 2023
问题:空载挠动试验所选出的调节参数主要是满足机组空载运行的稳定性。...
Friday, March 29, 2024
问题:水轮发电机组的推力轴承,承受整个水轮发电机组转动部分的质量以及水轮机的轴 向水推力。...
Saturday, February 17, 2024