试题详情

What is the application of high-speed diesel engines at sea?(1)They are used for emergency power generation to small applications (2)They are used for electrical power generation on board ships driven by medium-speed propulsion engines.(3)They can be used on tugs拖船, ferries and barges etc.as main engines.

A(1)+(2)+(3)

B(3)

C(2)+(3)

D(1)+(2)