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wind direction indicator
技术	Windrichtungsanzeiger m
wind-direction indicator
物理	Windrichtungszeiger m; Windrichtungsanzeiger m; Windzeiger m
英语 词库
wind direction indicator
航空, 加拿大	An indicator that is in the form of a truncated cone made of fabric and that is not less than 12 ft long and, at the larger end, not less than 3 ft in diameter, so constructed as to give a clear indication of the direction of surface wind and a general indication of wind speed; An actuated device for indicating visually to aircraft the direction of surface wind
Wind Direction Indicator
气象, 缩写	WDI