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Imperfective - (ongoing or repeatedly)
Perfective загерметизи́ровать (completed or one-time)
Very rarely used word (top 40,000)
Translation
seal hermetically(загерметизи́ровать)
Other Sources (auto generated)
герметизи́ровать: 
Wiktionary
PONS
bab.la
Reverso
загерметизи́ровать: WiktionaryPONSbab.laReverso