Those units and components are used to generate, control, distribute electrical current to ignite the fuel air mixture in the cylinders of reciprocating engines or in the combustion chambers or thrust augmentors of turbine engines.

A. After pressing the LSK next to EXIT, the BITE will take you out of BITE test and the airplane will return to its normal condition.

B. The BITE will continue the BITE test and the airplane will go back to its usual condition when you push the LSK next to EXIT.

C. The BITE will proceed the BITE test and the airplane will go back to its normal configuration after releasing the LSK that is adjacent to EXIT.

A. If an engine overheat/fire detector can not operate, the engine and APU fire alarm unit alternatively changes to single loop operation. In the single loop module, only one loop must check the engine and APU fire detection module for an overheat or fire co

B. If an engine overheat/fire detector fails to operate, the engine and APU fire detection module automatically changes to single loop operation. In the single loop mode, only one loop must detect an overheat or fire condition for the engine and APU fire det

C. If an engine overheat/fire detector is inoperative, the engine and APU fire detection module automatically changes to single loop operation. In the single loop mode, only one loop must detect an overheat or fire condition by the engine and APU fire detect

A. 供给系统有这些用处。

B. 分散系统有这些功能。

C. 分配系统有这些功能。

A. The trim control knob is installed on the control pedestal.

B. The trim control button is mounted under the control pedestal.

C. You can find the trim control button on the control panel.

A. 发行人栏目，出版物名称，飞机型号和发行或修订日期都应该出现在活页文件页面中。

B. 制造商的刊头、出版物标题、飞机型号和发行或修订日期必须出现在活页文件的所有页面上。

C. 生产商发行人栏目，出版物名称，飞机类型和发布或修订日期都应该出现在活页文件所有页面中。

A. The schematic diagrams need to list a lot of instructions, so the items listed are ordered according to certain rules, this is the order in which the items are placed on the plane.

B. There are schematics which need to list a lot of items, so the items listed should be sorted according to certain rules, such as the order in which the items are placed on the plane.

C. List a large number of schematics in logical order, such as the position of the items on the plane.

A. 实施训练，直到熟练操作舵面。

B. 对准钻头，直到它与表面垂直。

C. 安装钻头，直到它与表面平齐。

A. 技术文本通常包含很长的词组，在句子中具有一种词性的作用。

B. 技术文本通常包含很多组单词，这些单词在句子中具有一定的作用。

C. 技术文本通常包含长难句，其中的单词在句子中的作用相当于某个词性。

A. 用于在飞机外部提供照明的照明子系统。包括着陆灯、导航灯、位置指示灯、机翼照明灯、旋转灯、航行灯。

B. 用于在飞机外部提供照明的照明子系统。包括着陆灯、位置指示灯、航行灯、机翼照明灯、旋转式信号灯、出租车灯。

C. 用于为飞机外部提供照明的灯光子系统，包括着陆灯、导航灯、位置指示灯、机翼照明灯、旋转式信号灯、滑行灯等。

A. 正常俯仰控制法则基本上是负载系数的闭环控制，包括飞行发展保护。

B. 正常俯仰控制法基本上是负载厂家的闭环控制，包括飞行包线保护。

C. 正常俯仰控制法则基本上是负载系数的闭环控制，包括飞行包线保护。