Tuesday, September 13, 2022
问题:气体冷凝器材质一般选用()A、碳钢B、不锈钢C、铸铁D、铝...
Wednesday, November 1, 2023
问题:氧化反应器中邻二甲苯的进料量为5.6m<sup>3</sup>/...
Tuesday, September 13, 2022
Tuesday, September 13, 2022
Tuesday, September 13, 2022
Tuesday, September 13, 2022
Monday, January 15, 2024
Tuesday, September 13, 2022
问题:换热器的热负荷是流体的质量流量和()A、热焓B、热容C、汽化潜热D、比热...
Wednesday, February 1, 2023
Tuesday, September 13, 2022
问题:苯酐包装编织袋外袋宽度为()mm。A、520B、530C、540D、550...
Sunday, October 30, 2022
Wednesday, February 14, 2024
问题:透平转子与壳体之间密封采用介质为()A、水B、蒸汽C、梳齿带D、石墨...
Monday, July 24, 2023
Tuesday, August 15, 2023
Tuesday, September 13, 2022
问题:装置停工要做到不超温,不超压,不跑料不损坏设备。...
Tuesday, September 13, 2022
问题:装置使用压缩风压力控制在()MPa。A、0.6-0.7B、0.5-0.6C、0.4-0.6D、0.6-0.8...
Friday, May 12, 2023
问题:精馏塔回流比增大,产品质量将()A、提高B、降低C、不变D、不受影响...
Monday, November 27, 2023
Monday, July 24, 2023
Saturday, March 23, 2024