 |
| |||
| 弓丨进先进技术 | |||
| 引 进先进技术 | |||
| 引进先进技术 | |||
|
introduction of advanced technology : 10 a las frases, 4 temas |
| Construcción naval | 7 |
| Metalurgia | 1 |
| Negocio | 1 |
| Porcelana | 1 |
|
| |||
| 弓丨进先进技术 | |||
| 引 进先进技术 | |||
| 引进先进技术 | |||
|
introduction of advanced technology : 10 a las frases, 4 temas |
| Construcción naval | 7 |
| Metalurgia | 1 |
| Negocio | 1 |
| Porcelana | 1 |