 |
| |||
| single drain structure | |||
| 单漏: 17 phrases in 9 subjects |
| Agriculture | 1 |
| Automobiles | 1 |
| Electric machinery | 3 |
| Electronics | 2 |
| Metallurgy | 3 |
| Rail transport | 1 |
| Securities | 1 |
| Shipbuilding | 1 |
| Technology | 4 |
|
| |||
| single drain structure | |||
| 单漏: 17 phrases in 9 subjects |
| Agriculture | 1 |
| Automobiles | 1 |
| Electric machinery | 3 |
| Electronics | 2 |
| Metallurgy | 3 |
| Rail transport | 1 |
| Securities | 1 |
| Shipbuilding | 1 |
| Technology | 4 |