professional technical group
| on
| circuit theory
| professional technical group | |
| econ. | 专业技术组 |
| on | |
| gen. | 在; 开着; 在...旁; 就…作...; 穿上 |
| circuit theory | |
| el. | 电路理论; 网络理论 |
| |||
| 专业技术组 | |||
|
professional technical group : 1 phrase in 1 subject |
| Electronics | 1 |