单项选择题
A.higher firing pressure
B.more power output
C.lower fuel pressure
D.less power output
单项选择题 Why are some diesel engine cylinder liners plated on the wearing surface with porous chromium?（）
单项选择题 If the speed of a turbocharged diesel engine is maintained constant the turbocharger speed will （）
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 （）