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pré-traitement m; traitement préalable | |||
enrichissement m | |||
prétraitement m | |||
traitement préliminaire |
forbehandling : 12 phrases in 7 subjects |
Chemistry | 1 |
Communications | 1 |
Environment | 2 |
General | 3 |
Materials science | 1 |
Metallurgy | 3 |
Work flow | 1 |