 |
| |||
| tecnología ambiental | |||
| tecnología ecológicamente racional; tecnología relacionada con el medio ambiente | |||
| English thesaurus | |||
| |||
| ET | |||
| environmental technology: 30 phrases in 5 subjects |
| Education | 1 |
| Environment | 14 |
| Name of organization | 1 |
| Natural sciences | 5 |
| United Nations | 9 |