方向指示器 arm indicator; di direction indicator; direction finder; direction indicator (di); directional stabilizer; directionindicator; sense indicator; steering indicator; trafficator
风向指示器 french letter; wind direction indicator (wdi); wind indicator; wind-direction indicator
航向指示器 ci course indicator; course detector; course director; course meter; direction indicator; heading indicator; pathfinder; pilot director; pilotdirector