单项选择题
A.The amount of fuel injected will be increased
B.The start of injection will be retarded
C.The nozzle will permit fuel to dribble
D.The spray pattern will be distorted
单项选择题 The required amount in the change of speed necessary before a governor will make a corrective movement is known as （）.
单项选择题 Turbulence in a diesel engine cylinder is of major importance in providing （）.
单项选择题 For a given fuel, a change in the compression ratio will affect the ignition lag by which of the listed means?（）