A、 ensure that there are no loose component in the engine air intakes.
B、 ensure that there are no loose dusts in the engine air intakes.
C、 make sure that there are no loose objects in the engine air intakes.
答案：C
A、 ensure that there are no loose component in the engine air intakes.
B、 ensure that there are no loose dusts in the engine air intakes.
C、 make sure that there are no loose objects in the engine air intakes.
答案：C
A. KEEP
B. HOLD
C. MAINTAIN
A. If there is hum from the loudspeaker,don't adjust the potentiometer.
B. Adjust the potentiometer unless hear a hum from the loudspeaker.
C. Adjust the potentiometer until the loudspeaker no longer hums.
A. COLLECTS
B. ABSORBS
C. DRAWS
A. 发动机及其附件所用的润滑油是一样的。
B. 润滑发动机和辅助动力装置的油液是一样的。
C. 发动机和 APU 的润滑油是一样的
A. STAY
B. STILL
C. LEAVE
A. COMES
B. GOES
C. DISPLAYS
A. OCCUR
B. FOUND
C. ARISE
A. ambient Air Temperature is the static free air temperature attained
from inflight temperature indications or surface meteorological sources,
adjusted for instrument error and compressibility effects.
B. Outside Air Temperature is the free air electrostatic temperature,
contained neither from inflight temperature indications nor ground
meteorological and compressibility effects.
C. Outside Air Temperature is the free air static temperature, obtained
either from inflight temperature indications or ground meteorological
sources, adjusted for instrument error and compressibility effects.
A. 确保箭头指向燃油流量流动的方向。
B. 确保标记指向燃油流量流动的方向。
C. 确保标记指向燃油流量相反的方向。
A. Documents must be temporarily edible.
B. Documents must be readily revisable.
C. Documents must be permanently durable.
