单项选择题
A.lower than B.higher than C.as same as D.better than
The higher the cetane number, （） the ignition quality o...
单项选择题The higher the cetane number, （） the ignition quality of the fuel.
A.the worse B.the better C.the smaller D.the greater
The specific gravity of fuel oil is a （）.A.absolute val...
单项选择题The specific gravity of fuel oil is a （）.
A.absolute value B.relative value C.constant value D.set value
Cylinder oil is a high viscosity mineral oil, with a （）...
单项选择题Cylinder oil is a high viscosity mineral oil, with a （） machined to the anticipated sulfur content of the fuel.
A.TAN B.TBN C.SAN D.SBN
