单项选择题
The most common instrument used to measure diesel engine exhaust pressure is the （）
A.pyrometer B.bourdon gauge C.pneumercator D.manometer
单项选择题 A sudden drop in compression pressure in one cylinder of a diesel engine can be caused by（）
单项选择题 One end of a diesel engine cylinder is sealed by the cylinder head and the other end by the （）
单项选择题 The exhaust system for a turbocharged two-stroke/cycle diesel engine functions to（）
