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单选题
THE POSSIBLE OPENING POSITIONS FOR THE FAN COWL DOORS ARE:
A
One at 55 degrees for an increased access.
B
It depends on the speed of the wind.
C
One at 40 degrees for routine maintenance and a second at 55 degrees for increased access.
D
One at 40 degrees for an increased access.
答案解析
正确答案：C
题目纠错
