 |
| |||
| pre-treatment | |||
| preprocessing; front-end processing | |||
| preparation; dressing; preconditioning | |||
| pretreatment; preliminary treatment | |||
|
traitement prealable : 9 a las frases, 7 temas |
| Ciencia de los materiales | 1 |
| Comunicaciones | 1 |
| General | 2 |
| Metalurgia | 1 |
| Química | 1 |
| Tecnología | 2 |
| Transporte | 1 |