Thursday, June 15, 2023
Sunday, July 23, 2023
问题:若压缩机活塞杆断裂,应按正常换机步骤切换氢压机。...
Sunday, January 7, 2024
Thursday, June 8, 2023
Sunday, June 18, 2023
Sunday, July 23, 2023
问题:调节阀的动作方式可分为()和()两种。其中风压增大,阀开度减小的称为()...
Thursday, May 18, 2023
问题:加热炉的操作上限一般为设计负荷的(),操作下限一般为设计负荷的()...
Sunday, June 18, 2023
问题:容器或其零部件具有抵抗外力破坏的能力称为压力容器的()...
Wednesday, April 24, 2024
Tuesday, September 13, 2022
问题:利用弹簧管的受力变形原理,通常可用于测量压力,压差和负压。...
Sunday, January 7, 2024
Wednesday, April 24, 2024
问题:生产车间负责设备和装置检修计划的()、()、()、()、()...
Sunday, January 7, 2024
Monday, May 29, 2023
Tuesday, September 13, 2022
Monday, June 26, 2023
Monday, September 11, 2023
问题:某容器的绝对压力P绝=2.5MPa,则压力表读数应为()。...
Monday, September 11, 2023
Sunday, July 23, 2023
Tuesday, September 13, 2022