lesson18
A. Flying activity is in the south field
B. The controller wants the pilot to fly east
C. A glider will land in the south field
D. A glider is hanging in the north field
lesson 18
A. His altitude is only 300 meters
B. He is 40 KM per hour too fast
C. He is turning base for R/W36
D. There is a balloon near the runway
lesson18
A. 20km from the field
B. 22km from the field
C. 21km from the field
D. 23km from the field
美国埃森哲(Accenture)管理咨询公司对第四方物流定义为: