单项选择题
A.decrease until the engine speed increases
B.increase as the load increases
C.decrease as the load
D.increases remain unchanged
单项选择题 The International Code for the Construction and equipment of Ships Carrying Dangerous Chemicals in Bulk (IBC Code) is a part of （）
单项选择题 Which of the following conditions is most likely to occur when unburned fuel contaminates the crankcase of a diesel engine?（）
单项选择题 If a few injector spray holes become plugged, the result could be （）