Alotofspotshaven’tbeen()(覆盖)paint.
A. satisfiedwith
B. collisionwith
C. coveredwith
D. removedwith
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飞行监守(美国)是地空服务在()频率上提供航路和飞行咨询服务的飞行服务站(FSS)的识别简称。
A. 112.0兆赫
B. 114.0兆赫
C. 122.0兆赫
What’smore,thedistributionofpaintis()(不均匀).
A. uneven
B. even
C. eleven
D. effect
Theycangivea()(耐磨的)surfaceandtherequiedcolor.
A. hard-wearing
B. loose-wearing
C. easy-wearing
D. tight-wearing
飞行中危险天气咨询服务包括:1)SIGMET;2)对流性SIGMET;3)AIRMET;4)PIREPS:().
A. 1,2
B. 1,2,3
C. 1,2,3,4