four-layer
| diode
| four-layer | |
| gen. | 四层的 |
| diode | |
| earth.sc. | 二级管 |
| radio.amat. | 二极管 |
| semicond. | 半导体二极管; 二极管 |
| tech. | 半导体二极管 |
| |||
| 四层的 | |||
|
four-layer : 6 phrases in 4 subjects |
| Electric machinery | 1 |
| Electronics | 1 |
| Metallurgy | 1 |
| Technology | 3 |