Wednesday, July 3, 2024
问题:真空管线应尽量短,尽量减少弯头和()以降低阻力,达到更高的真空度。
Monday, December 23, 2024
Monday, December 23, 2024
Sunday, February 2, 2025
Tuesday, June 6, 2023
Monday, December 23, 2024
Wednesday, December 14, 2022
Tuesday, September 13, 2022
Sunday, March 2, 2025
问题:工艺管道及仪表流程图上一般应画出所有()物料和辅助物料的管道。
Monday, December 23, 2024
Wednesday, December 11, 2024
Thursday, October 6, 2022
问题:对存在化学反应的系统进行物料衡算时,有几种方法?分别是什么?
Sunday, July 7, 2024
Sunday, February 2, 2025
问题:在带控制点的工艺流程图中,常用比例为:()A、1:10B、1:100C、1:35D、1:150
Monday, April 22, 2024
问题:工艺流程图中不能用粗线条绘制的有()A、工艺物料管道B、加热蒸汽管道C、主产品管D、设备位号线
Tuesday, September 13, 2022
Tuesday, June 6, 2023
Saturday, April 1, 2023
Sunday, December 8, 2024
问题:下列图可以不按比例绘制的是()A、设备装配图B、车间布置图C、工艺流程图D、设备配件图
Thursday, September 7, 2023