A.fuel spray； the burning of the fuel
B.the burned gas mixture； connecting rod
C.medium shaft；crankshaft
D.the burned gas mixture； piston rod

A.the burning of the fuel； medium shaft
B.fuel spray； fresh air
C.fuel； fuel spray
D.the burning of the fuel； the burned gas mixture

A.high
B.low
C.fast
D.lowly

A.To reduce the main engine speed
B.To increase the main engine speed
C.To govern the main engine speed
D.To fix the propeller shaft

A.Two main areas of skill are involved in the construction of ship
B.There are distinct divisions in responsibilities between naval architects and marine engineers
C.Each ship will assume varying proportions according to its type
D.Ships can be divided into different categories from different perspectives

A.larger
B.equal
C.smaller
D.equivalent

A.equal
B.larger
C.smaller
D.equivalent

A.the lubricating oil consumption
B.the turbine blade temperature
C.the flow rate of fuel
D.scavenge air pressure

A.Ⅱ
B.Ⅲ
C.Ⅰ+Ⅲ
D.Ⅰ

A.two knock
B.three knocks
C.four knocks
D.five knocks

A.fire fighting
B.leakage blocking
C.abandon ship
D.integration