four-layer
| device
| four-layer | |
| gen. | 四层的 |
| device | |
| dat.proc. од. | 器件 |
| met. | 仪器; 仪表; 机构; 设计; 草案; 图 |
| tech. | 装置; 设备 |
| |||
| 四层的 | |||
|
four-layer : 6 phrases in 4 subjects |
| Electric machinery | 1 |
| Electronics | 1 |
| Metallurgy | 1 |
| Technology | 3 |