单项选择题
A.Hash point B.Viscosity C.Pour point D.Cetane number
The () can tell us how much heat we can get from the bu...
单项选择题The () can tell us how much heat we can get from the burning of an oil.
A.viscosity B.flash point C.cetane number D.calorific value
() into the cylinder because no fuel can burn () it.A.A...
单项选择题() into the cylinder because no fuel can burn () it.
A.Air must be admitted;without B.Oil must be injected;without C.Air must be admitted;with D.Oil must be injected;with
When the fuel oil is burning in the combustion chamber,...
单项选择题When the fuel oil is burning in the combustion chamber, it ().
A.gives up large amount of heat B.gives off large amount of heat C.gives up large amount of steam D.gives off large amount of steam