单项选择题
The burning of fuel oil in a diesel engine having a high sodium content, will cause （）
A.corrosion and grooving of exhaust valves B.corrosion and gumming of the fuel injection pump C.salt deposits in the exhaust manifold D.slag deposits in the fuel injection equipment
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?（）
单项选择题 Burning fuel with a high sulfur content in a diesel engine will （）
