问题
-
The high pressure in fuel injection system of the diesel engine is produced by the _____.A
-
When the opening pressure of a diesel fuel injector is greater than that specified by the
-
The fuel injector pump is operated by _____ which drives the plunger up and down.A.a separ
-
Which of the following problems may occur if the opening pressure of a fuel injection nozz
-
The sequence of fuel injection into cylinders is determined by _____.A.the steeringB.the d
-
The amount of fuel delivered by a unit injector is controlled by the _____.A.camshaftB.mai