512. 每一节从右边页面开始。

A. 驾驶在美国以外注册的飞机的飞行员应参考认证国的规定来获得可能由飞行员执行的预防性维修的信息。

B. 驾驶在其它国家注册的飞机的飞行员也应按照美国的标准获得由飞行员完成的预防性维修的信息。

C. 飞行员必须完成预防性维修任务,无论驾驶在美国或其它国家注册的飞机。

A. 连在撤离滑梯上的束缚杆与机舱地板上的锁钩相啮合,在机舱门打开时使滑梯自动工作。

B. 连在应急逃生口上的作动杆与机舱地板上的锁钩相啮合,在机舱门打开时使滑梯自动工作。

C. 连在撤离滑梯上的作动杆与机舱地板上的锁钩相啮合,在机舱门打开时使滑梯自动工作。

A. Do not use compressed air to clean the holes behind the display unit, because it can blow contaminants into display unit which may be damaged.

B. Do not use compressed air to clean the holes on the rear of the display unit, Compressed air will push contamination into the display unit, this can cause damage to the equipment.

C. Because pressurized air can blow contamination away from the display unit, you should not use it to clean the holes behind the display unit in order to avoid damaging the equipment.

A. 转动凸轮以松开管路

B. 转动卡以使管路自由移动

C. 转动卡箍以松开管路

A. When there are too many positive or subtractive pressure in the fuel tanks the pressure relief valve eliminates damage to the wing structure.

B. When there is too much plus or minus pressure in the fuel tanks, the pressure relief valve previews damage to the wing structure.

C. The pressure relief valve prevents damage to the wing structure when there is too much positive or negative pressure in the fuel tanks.

A. The approved repair part must contain the skill and technology required to carry up the repair.

B. The approved repair portion shall include processes and techniques necessary for performing a repair.

C. The necessary workmanship and skills constitute the approval of the repair portion.

A. Although the effects of corrosion is hard to assess, the inspection intervals will be adjusted if severe Damage is found according to the CAP inspection reports received.

B. When receiving the reports from the CAP inspections, inspection times will be adjusted for any severe problems so as to make it easier to determine the effects of corrosion.

C. To determine the effects of corrosion is very difficult because the inspection times will be adjusted for any severe problems if reports from the CAP inspections are received.

A. lightly move the bolt and make it through the hole

B. slightly move the bolt to make it aim to the hole

C. slowly move the bolt to the hole

A. Without this modification, the service life of the unit can be uncertain.

B. Without this modification, it is possible that the service life of this unit will be shorter than ever

C. Without this modification, it is possible that the service life of this unit will be shorter than usual

A. 确保发动机排气区周围有安全围挡。

B. 确保发动机进气区前面有安全界线。

C. 确保工程排气区前面有安全阻碍。