After the ailerons go back to neutral, make sure that they are flush with the flaps.

A. 在创建STE时，一个重要的项目是开发简便的翻译工具。

B. 使翻译更容易是创建STE的基本要求之一。

C. 建立STE的主要目的之一就是使翻译更容易。

A. “机载辅助动力”是指安装在飞机上的机载动力装置（发动机），其目的是用于产生和提供单一类型的辅助电力、气压、气动或其他动力。

B. “机载辅助动力”是指安装在飞机上的机载动力装置（发动机），用于产生和提供单一类型的辅助电源、液压或气源动力等或者组合型动力。

C. “机载辅助动力”是指安装在飞机上的机载动力装置（发动机），其目的是用于产生和提供组合型的辅助电力、液压、电动或其他动力。

A. Manufacturers＇ recommended time limits, maintenance checks and inspections (both planned and unplanned) are arranged in Chapter 5.

B. Manufacturers＇ recommended time limits, maintenance checks and tests (both scheduled and unscheduled) are arranged in Chapter 5.

C. Manufacturers＇ recommended time limits, maintenance checks and inspections (both scheduled and unscheduled) are arranged in Chapter 5.

A. Tire wear increases with high speed.

B. The higher the speed is, the more fragile the tire becomes.

C. The tire blows out as the speed increases.

A. Pilots have more opportunity to move stabilizer to nose up position during takeoff thanks to the mach trim actuator who commands elevator to a more nose down position.

B. During takeoff, pilots have more opportunity to move elevator to nose up position thanks to the mach trim actuator who commands stabilizer to a more nose down position.

C. During takeoff, pilots have more opportunity to move elevator to nose down position thanks to the mach trim actuator who commands stabilizer to a more nose up position.

A. 包含大写字母加名词或数字加名词的术语，通常用于描述某物的形状或结构。

B. 包含大写字母加名词或数字加名词的条款，通常用于描述某事的形式或特性。

C. 项目首字母加名词或者数字加名词的，通常要描述某物的外形和构造。

A. Through releasing the handle, the gas start to inflate the slide-raft .

B. Operation of the handle releases the gas which can inflate the slide-raft.

C. The gas handle operates to inflate the slide-raft.

A. 传动轴部分包括传动轴、接头、密封圈等项目。

B. 传动轴部分由驱动轴、适配器和密封圈组成。

C. 传动轴包含了驱动柄、适配器和密封圈等部分。

A. There are trim tabs at the rear of both ailerons.

B. There are trim tabs at the rear of both flaps.

C. There are trimmable stabilizers at the rear of both elevators.

A. 手册中所示的度量单位必须准确。

B. 手册中的度量单位必须一致。

C. 手册中的度量单位必须写明。