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bidirectionnel | |||
double | |||
tissu stratifié | |||
duplex m | |||
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duplexeur m |
duplex : 50 phrases in 9 subjects |
Chemistry | 1 |
Communications | 18 |
Electronics | 4 |
Information technology | 11 |
Materials science | 1 |
Mechanic engineering | 1 |
Medical | 10 |
Metallurgy | 2 |
Microsoft | 2 |