Monday, May 20, 2024
Monday, May 20, 2024
Tuesday, May 28, 2024
透平机在输送气量最小流量的情况下,容易发生()。A、喘振B、共振C、振动...
Wednesday, May 1, 2024
Sunday, March 24, 2024
Thursday, February 9, 2023
Thursday, February 9, 2023
简述在正常运行中,槽电压比平时高0.08V或更多的原因分析及处理。...
Sunday, March 24, 2024
计算题:有一槽碱浓度为425g/l,盐浓度为85g/l的碱40m3,温度从100℃冷却到45℃,此时测得碱浓度为440g/l,盐浓度为62g/l,问冷碱过程中析出的盐量?...
Tuesday, May 28, 2024
Friday, September 8, 2023
中小型氯碱厂最适宜的氯气干燥是()。A、泡沫塔填料塔串联B、填料塔C、填料泡沫二合一D、内外湍流五层泡沫塔...
Tuesday, May 28, 2024
在距氢气厂房()以内,禁止存放易燃物品和易爆物品,严禁吸烟,严禁明火。A、20米B、25米C、30米...
Sunday, March 24, 2024
Wednesday, May 1, 2024
Tuesday, December 12, 2023
润滑油的深度化学变化可以从颜色变黑、酸性增加、机械杂质增加等现象反映出来。...
Sunday, May 7, 2023
Wednesday, January 17, 2024
Sunday, March 24, 2024
Wednesday, January 17, 2024
Monday, May 20, 2024
Friday, September 8, 2023