 |
| |||
| gastos de mantenimiento; gastos de conservación | |||
|
costs of maintenance : 6 phrases in 3 subjects |
| Economics | 2 |
| Environment | 2 |
| Water resources | 2 |
|
| |||
| gastos de mantenimiento; gastos de conservación | |||
|
costs of maintenance : 6 phrases in 3 subjects |
| Economics | 2 |
| Environment | 2 |
| Water resources | 2 |