| |||
| 履约 | |||
| |||
| 履约 | |||
|
implementing contract : 5 phrases in 5 subjects |
| Bridge construction | 1 |
| Commerce | 1 |
| Economics | 1 |
| Shipbuilding | 1 |
| Technology | 1 |
| |||
| 履约 | |||
| |||
| 履约 | |||
|
implementing contract : 5 phrases in 5 subjects |
| Bridge construction | 1 |
| Commerce | 1 |
| Economics | 1 |
| Shipbuilding | 1 |
| Technology | 1 |