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polietilene a bassa pressione |
à haute densité : 28 phrases in 10 subjects |
Agriculture | 4 |
Communications | 1 |
Earth sciences | 4 |
Electronics | 2 |
General | 1 |
Health care | 2 |
Industry | 1 |
Information technology | 9 |
Materials science | 3 |
Mechanic engineering | 1 |