Sunday, September 11, 2022
Sunday, September 11, 2022
Sunday, September 11, 2022
问题:C-A003需真空操作,故需启动真空机组,启动时的顺序为k1,k...
Sunday, September 11, 2022
问题:C-A003采出H<sub>6</sub>的条件是()。...
Sunday, September 11, 2022
问题:所有乙炔和氧气瓶的调节器都应配备相应的回火装置,以防止因回火而引...
Saturday, September 10, 2022
Sunday, September 11, 2022
问题:C-A004在运转过程中,塔顶捕集需要的水量一般控制在()M<s...
Sunday, September 11, 2022
问题:E-A016电加热器中导热油加热温度不要超过330。...
Sunday, September 11, 2022
问题:在B-A004正常运行时,辅油泵正常油压为()MP。...
Sunday, September 11, 2022
Sunday, September 11, 2022
Sunday, September 11, 2022
问题:驾驶员在驾驶车辆过程中禁止使用移动电话或其它双向通讯设备,因此驾驶员只可以在等待红绿灯时接打电话。...
Sunday, January 8, 2023
问题:D-A004-2出口管线安全阀压力为()MPa正常反应时其压力自...
Sunday, September 11, 2022
问题:当B-A001正常运行时,辅油泵的油压差正常为()MP为宜。A、0-0.05B、0.1-0.3C、0.15-0.2D、0.07-0.1...
Saturday, May 20, 2023
问题:能够影响换热器换热效果的因素有()A、冷媒温度偏高B、换热器结垢C、换热器内部堵塞D、物料温度偏高E、冷媒流量降低...
Tuesday, October 24, 2023
Sunday, September 11, 2022
问题:水在圆管内的经济流速范围是()A、1-3m/sB、0.1-0.3m/sC、8-10m/sD、10m/s以上...
Tuesday, January 2, 2024
问题:R-A001-4THF投料量为5t,储罐液位变化约为33%,反应...
Saturday, September 10, 2022
问题:E-A011的液位低于()时,TIC-A311会连锁开。...
Sunday, September 11, 2022