By the use of the computer auxilliary design, the rotor's cycloids of Roots (Rhodes) vacuum pumps are designed.
利用计算机辅助设计罗茨真空泵转子型线。
2
Error 8602 Auxilliary device failure verify that mouse and keyboard are securely attached to correct connectors.
错误8602辅助设备故障检验鼠标和键盘均已安全连接到正确的连接器。
3
The feed-water pump for boilers is an important auxilliary equipment in power plant, it's safety and reliability in operation are more important than it's efficiency.