单词	ils point d
释义	ILS Point D ILS (instrument landing system) Point D The point 20 ft (6 m) above the centerline, and 2000 ft (600 m) upwind (i.e., toward the localizer) of the threshold.
随便看	bbwgd bbwl bbwm bbwmp bbwo bbwp bbwps bbwr bbwsd bbwt bbwua bbwv bbww bbwws bbx bbxprogression/4 bbxrt bby bbya bbyad bbyc bbyf bbyn bbyo bbyp

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