pretreatment | |
chem. | traitement préalable |
coal. chem. | traitements préliminaires |
industr. construct. | prétraitement |
life.sc. met. el. | traitement de surface |
nat.res. | traitement préliminaire |
event | |
automat. | étape |
comp. | occurrence |
pretreatment: 12 phrases in 6 subjects |
Chemistry | 1 |
Environment | 2 |
General | 1 |
Metallurgy | 4 |
Natural resourses and wildlife conservation | 2 |
Textile industry | 2 |