单项选择题
A.During operation at low speed
B.During operation at rated speed, but low power output
C.During acceleration
D.All of the above
单项选择题 If a diesel engine is difficult to start and operates with the engine temperatures lower than normal, you should suspect that the ().
单项选择题 Routine monitoring of a diesel engine should include ().
单项选择题 A diesel engine is operating with excessively high exhaust temperatures at all cylindersTo correct this condition, you should FIRST ().