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| pollution source | |
| environ. | source de pollution |
| analysis | |
| commun. chem. | analyse |
| construct. | calcul |
| environ. | analyse |
| life.sc. | diagnostic |
| market. | ventilation |
| met. | prêt pour l'analyse |
| nat.res. | détermination |
| |||
| source de pollution | |||
| émetteur m; source d'émission | |||
|
pollution source : 22 phrases in 5 subjects |
| Environment | 10 |
| Geology | 2 |
| Natural resourses and wildlife conservation | 7 |
| United Nations | 1 |
| Water resources | 2 |