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hard vacuum; high vacuum | |||
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hard vacuum; high vacuum |
vide pousse : 16 phrases in 10 subjects |
Chemistry | 2 |
Electronics | 2 |
Information technology | 1 |
Mechanic engineering | 2 |
Medical appliances | 2 |
Metallurgy | 1 |
Natural sciences | 3 |
Power electronics | 1 |
Technology | 1 |
Transport | 1 |