单选题The hand steering is a method by which the motion of the rudder is controlled with （）.Aa motor-driven steering wheelBa pneumatic steering wheelCa hand-driven steering wheelDan electric steering wheel
单选题
The hand steering is a method by which the motion of the rudder is controlled with （）.
A
a motor-driven steering wheel
B
a pneumatic steering wheel
C
a hand-driven steering wheel
D
an electric steering wheel
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