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eficiență energetică (8) |
energy efficiency (8) |
consum de energie (4) |
energy consumption (4) |
internal combustion engines (2) |
management energetic (2) |
motoare cu ardere internă (2) |
biogas (1) |
biogaz (1) |
clădiri municipale (1) |
Now showing items 1-10 of 8