ruddern.舵;方向舵;指导原则
rudderpost-bearing舵机轴承
rudder loading system舵机加载系统
rudder pedal adjuster舵板调节器
rudder load simulator负载模拟器
rudder roll-damping舵阻摇
rudder feedback signal舵角反馈信号
rudder roll stabilizer舵减摇
rudder angle indicator舵角指示灯
Rudder hydraulic system舵机液压系统
rudder blade cone holes舵叶锥孔