| |||
STEP m (station d'épuration Iricha) | |||
station de traitement | |||
station d'épuration | |||
station d'épuration (des eaux résiduaires) | |||
station d'épuration des eaux | |||
station d'épuration | |||
installation de clarification |
очистная станция: 8 phrases in 3 subjects |
Construction | 3 |
General | 1 |
Natural resourses and wildlife conservation | 4 |