The hatches weren't open. So the air inside hadn't been renewed; but the air tanks were kept full for any eventuality and would function appropriately to shoot a few cubic meters of oxygen into the Nautilus's thin atmosphere.
No se habían abierto las escotillas para renovar el aire, pero hicieron funcionar los depósitos para suministrar algunos metros cúbicos de oxígeno a la atmósfera enrarecida del Nautilus.