单项选择题
A.increase in starting air pressure
B.increase in lube oil viscosity
C.compression expansion device
D.jacket water heater
单项选择题 The burning of fuel oil in a diesel engine having a high sodium content, will cause （）
单项选择题 The consistent burning of fuel oil with a high sulfur content in a diesel engine will result in （）
单项选择题 Which of the following problems may occur when using fuel oil with a high sulphur content?（）