单选题Which of the listed factors will indicate the most about the ability of a fuel to ignite in a diesel engine?（）AViscosityBSulfur contentCPour pointDCetane number
单选题
Which of the listed factors will indicate the most about the ability of a fuel to ignite in a diesel engine?（）
A
Viscosity
B
Sulfur content
C
Pour point
D
Cetane number
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