Large, slow seed, two-stroke marine diesel engines are directly coupled to the propeller and do not require a ( )

Large, slow speed, two-stroke marine diesel engines are directly coupled to the propeller and do not

A、

gearbox

crankshaft

thrust block

piston

Large, slow speed, two-stroke marine diesel engines are directly coupled to the propeller and do not

A、 gearbox
B、 crankshaft
C、 thrust block
D、 piston

船舶主推进装置1..3船舶推进装置1..3.1推进装置的传动方式Large, slow speed, two-stroke marine diesel engines are directly coupled

A、gearbox
B、crankshaft
C、thrust block
D、piston

Large, slow speed, two-stroke marine diesel engines offer the advantages of the following except ( )

A、burning poorer quality, cheaper fuel
B、providing large power
C、being reversible
D、using less oil than medium speed engines