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difficultés persistantes
Сохраняющиеся проблемы
Last Update: 2017-01-04
Usage Frequency: 4
Quality:
b. difficultés persistantes
В. Нерешенные проблемы
Last Update: 2017-01-03
Usage Frequency: 1
Quality:
polluants organiques persistants
Стойкие органические загрязнители
Last Update: 2017-01-04
Usage Frequency: 29
Quality:
