| |||
| 帆布带式输送机 | |||
| 帆布带输送机 | |||
|
canvas conveyor : 6 phrases in 5 subjects |
| Agriculture | 2 |
| Chemistry | 1 |
| Cooking | 1 |
| Port facilities | 1 |
| Technology | 1 |
| |||
| 帆布带式输送机 | |||
| 帆布带输送机 | |||
|
canvas conveyor : 6 phrases in 5 subjects |
| Agriculture | 2 |
| Chemistry | 1 |
| Cooking | 1 |
| Port facilities | 1 |
| Technology | 1 |