When the opening pressure of a diesel engi
题型：单项选择题
问题：
When the opening pressure of a diesel engine fuel injector is greater than that specified by the engine manufacturer, which of the following problems can be expected?（）
A.Quantity of fuel injected tends to be decreased
B.Quantity of fuel injected will always be increased
C.Start of injection tends to be advanced
D.Duration of injection will always greater