A.discovered
B.had discovered
C.invented
D.had invented
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A.because
B.thanks to
C.dues to
D.owing to
A.because
B.since
C.due to
D.owing to
A.when
B.how
C.where
D.whether
A.slow-speed diesel
B.medium-speed diesel
C.high-speed diesel
D.constant-speed diesel
A.injector
B.compressor
C.diffuser
D.siphon
最新試題
The shipboard oil pollution emergency plan will be invalid after （）
The ISPS Code consists of a mandatory section-Part A, which shows（）
Which one is NOT the ‘clear grounds’ for a more detailed inspection?（）
To shut down a diesel engine after it exceeds the set maximum speed，which type of device listed should be used?（）
If separating effect is not good, which measure should be taken （）
Which of the diesel engine components listed increase air density and helps to improve engine operating efficiency?（）
Which of the following items don’t belong to dock repair works?（）
Cold weather starting of a diesel engine may be made easier by（）
The treatment of the fuel oils involves storage, heating, filtering and（）
Which of the listed governor characteristics will greatly affect the load sharing relationship between paralleled diesel generators?（）