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material de propagación | |||
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material de soporte; substrato m; material de base | |||
material básico; materia prima |
materiali di base : 15 phrases in 7 subjects |
Agriculture | 4 |
Chemistry | 2 |
Environment | 3 |
Information technology | 1 |
Materials science | 1 |
Metallurgy | 2 |
Printed circuit boards | 2 |