In 15C, the number 15 represents ________
A. the row
B. the column
C. the lucky number
D. the time
In 15C, the letter C represents _______
A. the row
B. the column
C. the lucky number
D. the time
narrow-bodied aircraft
A. 宽体客机
B. 单通道客机
C. 过道很窄
D. 空间狭小
wide-bodied aircraft
A. 宽体客机
B. 单通道客机
C. 过道很窄
D. 空间狭小