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que contiene cuatro elementos | |||
cuaternario n | |||
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cuádruple | |||
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cuatrillizos |
quadruple : 37 phrases in 12 subjects |
Communications | 4 |
Earth sciences | 1 |
Electronics | 6 |
Industry | 2 |
Information technology | 1 |
Loading equipment | 3 |
Mechanic engineering | 4 |
Mexican | 2 |
Physics | 1 |
Power lines | 1 |
Spanish | 4 |
Transport | 8 |