2409.Do not operate the brakes to decrease the pressure in the accumulators.

A. Pilot reports on flight logbook of908701 pages fluttering sound from left side of airplane during descend beginning at 11000 feet.

B. Pilot reports trembling sound from left side of airplane during ascend at 11000 feet on flight logbook 908701 page.

C. Pilot reports on flight logbook page 908701 fluttering sound from left side of airplane during descend beginning at 11000 feet.

A. Find out which door has a fault and is closed.

B. Make sure that which door has a failure.

C. Find out which door has not closed.

A. That portion of the system is used to indicate the quantity,temperature and pressure of the oil.

B. That portion of the system is used to indicate the quality,temperature and pressure of the oil.

C. That portion of the system is used to indicate the quantity,temperature and pressure of the fuel.

A. For more information,refer as official reference books.

B. For more information,refer to official reference books.

C. More information referred to official reference books.

A. 所有发动机工作的推荐爬升速度

B. 全发工作的最低爬升速度

C. 建议的最大爬升速度

A. The same word “base” can go into different technical name categories when it is used with different meanings in different contexts.

B. The same word "base",when it has different meanings in different environment,it can be divided into different technical name categories.

C. When the word "base" can be divided into different technical noun categories,it has different meanings in different language environment.

A. 当顶升飞机或放下飞机时,始终保持水平高度。

B. 当升降飞机时,始终保持水平姿态。

C. 升降飞机时使飞机处在平衡状态。

A. 这些单位及组件为阻止或销毁雨雪形成在飞机的各个部分上提供了渠道。

B. 这些单件及组件提供了一种方法,能够阻止或祛除飞机各部分的冰雨形成。

C. 能够防止飞机不同地方形成积冰和积雨或消除相关影响的部件及组件。

A. A system consists of related components used to perform a specific function.

B. A system is a combination of interrelated components arranged to perform a specific function.

C. A system is combined with relevant components that perform a specific function.

A. 为了从表格里提取准确的性能值,需要在中位数之间挑选。

B. 为了从表中获得准确的性能值,需要在增量值之间插值。

C. 为了从表中获取准确的性能值,需要评估增长的中间值。