单选题
ROLL CONTROL IS ACHIEVED BY:
A
Spoilers 2 to 5.
B
Spoilers 2 to 4.
C
Spoilers 2 to 5 and the ailerons.
D
Spoilers 2 to 4 and the ailerons.
答案解析
正确答案:C
题目纠错
培训教育知识题库4
