When circumnavigating the thunderstorm, the A/C must remain at least_______km from the CB or solid clouds in the day time.
A.5
B.10
C.15
D.20
正确答案是A
When circumnavigating the thunderstorm, the A/C must remain at least_______km from the CB or solid clouds in the day time.
A.5
B.10
C.15
D.20
正确答案是A