| |||
| 离合器外片; 链条外链板 | |||
| ★ 外板 | |||
|
outer plates : 11 phrases in 6 subjects |
| Electric machinery | 1 |
| Mechanics | 2 |
| Metallurgy | 4 |
| Polygraphy | 1 |
| Rail transport | 2 |
| Technology | 1 |
| |||
| 离合器外片; 链条外链板 | |||
| ★ 外板 | |||
|
outer plates : 11 phrases in 6 subjects |
| Electric machinery | 1 |
| Mechanics | 2 |
| Metallurgy | 4 |
| Polygraphy | 1 |
| Rail transport | 2 |
| Technology | 1 |