问题:推力瓦的进、出油边正确的是()。A、进油边离主轴近,出油边离主轴远B、进油边离主轴远,出油边离主轴近C、进油边与出油边和主轴的距离相等...
Sunday, September 3, 2023
问题:测压管水头Z+P/γ,Z是()水头,P/γ是()水头。...
Friday, September 16, 2022
问题:调速系统的接力器不动时间是指甩负荷时从()开始到()为止所经历的...
Friday, September 16, 2022
Friday, September 16, 2022
问题:混流式水轮机的标称直径D1是指叶片()的()直径。...
Friday, September 16, 2022
问题:以内循环,金属瓦筒式水轮机导轴为例,说明导轴的作用及工作过程。...
Tuesday, September 13, 2022
问题:2米水柱的压强相当于()。A、2MpaB、0.2MpaC、0.02MpaD、0.002MPa...
Tuesday, June 13, 2023
Friday, September 16, 2022
问题:单机运行时负荷增加,机组转速(),负荷减少时,机组的转速()。...
Sunday, October 22, 2023
Sunday, July 9, 2023
Saturday, November 26, 2022
问题:操作中“四对照”的内容是:名称,编号,()和()。...
Friday, September 16, 2022
Tuesday, June 6, 2023
问题:机组的调差率EP表示(),一般在()的范围内变化。...
Thursday, February 15, 2024
问题:液体只有满足(),()及同一种液体三个条件时,才能形成等压面。...
Friday, September 16, 2022
Friday, September 16, 2022
问题:调速器的电液转换器的活塞杆上部开有四个同直径径向小孔,目的是使四...
Tuesday, September 13, 2022
问题:蝴蝶阀的活门由两个()操作开或关,有()轴而布置的和()轴布置的两种。...
Tuesday, June 6, 2023
Friday, September 16, 2022
Tuesday, September 13, 2022