单项选择题
The consistent burning of fuel oil with a high sulfur content in a diesel engine will result in （）
A.clogged fuel injection pumps B.increased cylinder liner wear C.intake valve stem corrosion D.varnish deposit on pistons
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 （）
单项选择题 Leaking oil seals on a diesel engine turbocharger can cause（）
