univertor 变频器
frequency converter 变频器
计算机应用 计算机控制 释文 frequency converter 变频器
- Beltrami coordinate
- Beltrami differential equation
- Beltrami-Enneper theorem
- Beltrami equation
- Beltrami field
- Beltrami formula
- Beltrami identity
- Beltrami interpretation
- Beltrami mapping
- Beltrami method
- Beltrami operator
- Beltrami parameter
- Beltrami pseudosphere
- Beltrami system of equations
- Beltrami theorem
- belt scale
- Belt-shaped Radio telescope
- Beltsville Agricultural Research Center
- belt transect
- belt transect method
- belt transportation inclined shaft
- belt-type electrostatic separator
- belt type roasting machine pelletizing process
- belt type seeder
- belt vacuum filter