вентилациони систем

вентилациони систем

A method for reducing methane concentrations in coal mines to non-explosive levels by blowing air across the mine face and using large exhaust fans to remove methane while mining operations proceed.

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Del af tale: noun
Synonym(er):
Blossary:
Branche/domæne: Energy
Category: Coal; Natural gas; Petrol
Company: EIA
Produkt:
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