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单选题
The main steering gear must be able to steer the ship at maximum ahead service speed and be capable at this speed, and at the ships deepest service draught, of putting the rudder from 35 degrees on one side to 30 degrees on the other side within no ().
A

more than 28 seconds

B

more than 60 seconds

C

less than 28 seconds

D

less than 60 seconds


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