短語詞組短語coefficient of balance of rudder 舵平衡比3 -component balance for rudder 舵三分力儀balance rudder angle 壓舵角semi -balance rudder 半平衡舵single -rudder pintle semi-balance rudder 單舵銷半平衡舵double -rudder semi-balance rudder 雙舵銷半平衡舵rudder balance 舵平衡;平衡舵;方向舵補償器 返回 balance rudder