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pressure test |
essai de pression : 19 phrases in 12 subjects |
Coal | 1 |
Construction | 1 |
General | 1 |
Industry | 2 |
Measuring instruments | 2 |
Mechanics | 1 |
Metallurgy | 2 |
Natural resourses and wildlife conservation | 1 |
Natural sciences | 1 |
Packaging | 2 |
Technology | 3 |
Transport | 2 |