Saturday, December 2, 2023
问题:由于密封油与氢气接触,因此运行中部分密封油会带入氢气系统中。()...
Monday, December 18, 2023
Sunday, March 17, 2024
问题:氢管道可以使用铸铁管件,也可以使用无缝钢管,但管道连接处应尽量用焊接代替丝扣。()...
Saturday, April 13, 2024
问题:汽轮机盘车状态时,对氢冷发电机的密封油系统运行有何要求,为什么?...
Saturday, April 13, 2024
Thursday, October 12, 2023
问题:在温度较高,硅胶不能吸附时,分子筛也不能吸附。()...
Saturday, April 13, 2024
Wednesday, April 26, 2023
Saturday, April 13, 2024
Friday, January 26, 2024
Wednesday, July 12, 2023
问题:电解槽的电源采用()。A、直流电;B、交流电;C、交、直流两用;D、交、直流切换。...
Saturday, October 21, 2023
Sunday, March 17, 2024
问题:水电解制氢过程中“氧中氢”表计指示应小于()才合格。A、0.8%;B、0.7%;C、0.6%;D、0.5%。...
Monday, August 21, 2023
问题:当温度升高时,半导体的电阻将()。A、增大;B、减小;C、不变;D、相等。...
Thursday, December 14, 2023
Sunday, March 17, 2024
Tuesday, April 2, 2024
Tuesday, April 2, 2024
Saturday, September 2, 2023
Friday, December 22, 2023