单项选择题
A.Four-stroke B.Two-stroke C.Electronic ignition D.Forced exhaust
All diesel engines are classified as（）.A.four cycleB.co...
单项选择题All diesel engines are classified as（）.
A.four cycle B.compression ignition C.vacuum ignition D.external combustion
A VLCC (100，000 DWT+) with a 30，000 Shaft Horsepower St...
单项选择题A VLCC (100，000 DWT+) with a 30，000 Shaft Horsepower Steam Turbine is slow to respond to engine movements and has less stopping power than normal ships because it has a（）.
A.bigger propeller B.smaller power weight ratio C.smaller propeller D.larger power weight ratio
A towing vessel’s capability is BEST measured by horsep...
单项选择题A towing vessel’s capability is BEST measured by horsepower，bollard pull，maneuverability and（）.
A.displacement B.stability C.towrope pull D.propeller design
