Thursday, December 22, 2022
Tuesday, October 3, 2023
Saturday, October 12, 2024
问题:10KV母线测绝缘不低于()?A、2MΩB、0.5MΩC、1MΩ...
Saturday, January 13, 2024
Wednesday, July 2, 2025
问题:螺杆式压缩机内装()A、阳转子B、阴转子C、涡轮D、活塞...
Thursday, October 17, 2024
问题:油压表失灵应采取()措施。A、清洗B、调整油压C、更换油压表D、修理油压表...
Saturday, January 13, 2024
Thursday, September 15, 2022
问题:下列哪种压力能表明气体的真实压力()A、指示压力B、表压C、绝对压力...
Wednesday, April 26, 2023
问题:刮油环的作用在于控制()A、水量B、气量C、机油量D、13#机油量...
Friday, March 28, 2025
问题:速度型压缩机内气体压力的提高是由于气体分子的()转化而来的,是由动能转化为压力能的。...
Wednesday, July 2, 2025
Friday, June 2, 2023
Wednesday, July 30, 2025
Sunday, August 17, 2025
问题:考虑气体分子之间的作用力和分子所占有的体积的气体称为()...
Friday, March 28, 2025
问题:用绝对温标表示的温度称为()A、相对温度B、绝对温度C、自然温度...
Sunday, June 30, 2024
问题:活塞式压缩机的气阀与升程限制器紧固不牢而松动,可能泄漏。...
Wednesday, July 2, 2025
问题:WTQ型电接点压力式温度计,对()不起腐蚀作用的液体气体和蒸汽的温度。A、铸铁B、铜C、球墨铸铁D、铜合金...
Thursday, February 16, 2023
Sunday, August 20, 2023