ratio of burning air to oil

ratio of injected air to produced oil

optimizing ratio of air to fuel

Ratio of air to coal

ratio of air to coal amount

ratio of air to gas

ratio of air to water

ratio of oil to carbon dioxide

Ratio of oil to stonee

ratio of oil to water

the ratio of air to fuel

air oil ratio

airoil ratio

catalyst to oil ratio

catalyst-to-oil ratio

Coal to Air Ratio

consuming ratio of oil

determinator of ratio of specific heat of gas

effective utilization ratio of air flow