单项选择题
A.Bypass the after-cooler to operate at speed
B.Run at reduced speed until the cooler can be repaired or renewed
C.Switch to diesel fuel and run at full speed
D.Nothing need to be done due to the low heating value of heavy fuel
单项选择题 If cooling water flow through the after-cooler is interrupted,the power output of a turbocharged diesel engine will drop because the （）
单项选择题 The amount of fuel injection into a diesel engine cylinder by a unit injector, is controlled by（）
单项选择题 Which of the following should always be checked prior to starting a diesel engine?（）