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recirculación de lodos; retorno de lodos | |||
recirculación |
recirculation : 30 phrases in 11 subjects |
Agriculture | 4 |
Chemistry | 3 |
Earth sciences | 2 |
Electronics | 3 |
Environment | 7 |
Mechanic engineering | 1 |
Medical | 1 |
Metallurgy | 1 |
Municipal planning | 1 |
Natural sciences | 1 |
Transport | 6 |