请打开货灯。()
A、Please turn on cargo lights.
B、Please fix cargo lights.
C、Please turn on hatch lights.
D、Please fix hold lights.
A、Please turn on cargo lights.
B、Please fix cargo lights.
C、Please turn on hatch lights.
D、Please fix hold lights.
A、增压作用,打开时使货舱增压,防止货舱霉变 B、检查作用,打开通气门检查货舱,而无需打开货舱门 C、通气作用,在飞行中打开通气门,使货舱门外压力保持一致 D、防止打开,当货舱压力过大时,防止货舱门打开以避免货舱门弹出伤人或损坏设备