问题:插板阀开关不到位的原因是气源压力低,驱动力矩不够或限位开关或磁性...
Tuesday, September 13, 2022
Saturday, September 10, 2022
问题:链式聚合反应一般包括()、增长和终止等反应步骤。...
Friday, October 27, 2023
Friday, October 27, 2023
问题:T431料仓的料位计是()的。A、压差式B、射线式C、音叉式...
Sunday, October 15, 2023
问题:插板阀的安装过程物料流向应与插板阀上的箭头方向一致。...
Sunday, July 9, 2023
Monday, July 17, 2023
问题:聚合安定封端机组内的甲醛气由真空系统抽出。经过聚合安定封端机组的...
Tuesday, September 13, 2022
问题:()指示灯:用于指示码垛机当前的状态。当码垛机运行时,该指示灯为...
Saturday, September 10, 2022
Friday, January 6, 2023
Saturday, September 10, 2022
问题:用于长距离输送较高温度介质的管线,其热补偿最好选用()。...
Sunday, March 17, 2024
Saturday, September 10, 2022
问题:要制取高分子量的缩聚物时,在理论上和操作方式上可采取哪些措施?...
Tuesday, December 6, 2022
Saturday, September 10, 2022
问题:插板阀分按内部结构,可以分为:()A、标准型插板阀B、二体式插板阀C、斜板式插板阀...
Sunday, July 23, 2023
Saturday, September 10, 2022
问题:真空上料系统被输送的介质为回收的POM粉料,系统能力为2t/h。...
Monday, July 17, 2023
Sunday, March 17, 2024
Tuesday, September 13, 2022