A propeller is arranged at the lower part of cover body in a circular arch shape and is connected with the motive power steering engine in a shaft connection.
有一螺旋桨，置于圆拱形罩体的下方并与动力舵机的轴连接。
A propeller is arranged at the lower part of cover body in a circular arch shape and is connected with the motive power steering engine in a shaft connection.
有一螺旋桨，置于圆拱形罩体的下方并与动力舵机的轴连接。
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