| |||
| 弓丨进先进技术 | |||
| 引 进先进技术 | |||
| 引进先进技术 | |||
|
introduction of advanced technology : 9 phrases in 3 subjects |
| China | 1 |
| Metallurgy | 1 |
| Shipbuilding | 7 |
| |||
| 弓丨进先进技术 | |||
| 引 进先进技术 | |||
| 引进先进技术 | |||
|
introduction of advanced technology : 9 phrases in 3 subjects |
| China | 1 |
| Metallurgy | 1 |
| Shipbuilding | 7 |