Terms that contain a capital letter plus a noun, or a number plus a noun usually describe the shape or configuration of something.

A. For purposes of this specification, "aircraft" means the relevant optional parts of the airframe and parts specified in the type certificate or supplied by the aircraft manufacturer

B. For the intention of this specification, " airplane" is know as the airframe selective components set forth in the Type Certificate or provided by the airplane producer.

C. For purposes of this specification, "aircraft" means the airframe and parts specified in the Type Certificate or the related optional parts supplied by the aircraft manufacturer.

A. The wing tanks and the center tank have the same rate of supply of fuel.

B. The rate of supply of fuel from the wing tanks to the center tank is equal.

C. The fuel supply rate from all wing tanks and the center tank is the same.

A. A centrifugal pump supplies hydraulic fluid to the unit.

B. The unit is isolated from hydraulic fluid through a centrifugal pump.

C. A centrifugal pump withdraws hydraulic fluid from the unit.

A. 防滑箔的目的是帮助降低空气流经活门时产生的噪音。

B. 防滑箔的目的是辅助活门减少空气通过时的阻力。

C. 防滑箔有助于减少空气流经活门造成的滑动噪音。

A. Make sure the drain hose＇s open end is oriented in align with the structure.

B. Direct the open end of the drain hose away from the storage construction.

C. Ensure that the open end of the drain hose faces away from the structure.

A. 如果燃油或润滑油喷洒，请及时清洁此区域。否则潮湿的地面会造成摔伤。

B. 如有燃油或润滑油溢出，应立即清洁此区域。潮湿的地面很危险，会致你摔倒。

C. 如果燃油或油脂有遗撒，应立即清洁此区域。否则污染的地面会致你摔倒。

A. 电瓶为紧急出口的照明电路供电。

B. 闭合电瓶电路给应急出口灯供电。

C. 应急出口灯由电瓶电路控制。

A. Make sure that the mark on the bolt is aligned with the mark on the handle.

B. Make sure that the mark on the bolt is level with the mark on the handle.

C. Make sure that the mark on the bolt is parallel to the mark on the handle.

A. Manufacturer determines specific range properly to describe sophisticated and professional information. The information can be put in Maintenance Maunal or other documents.

B. Detailed information on more intricate and specific subjects can be written in two ways: Maintenance Manual or individual documents. The two ways are dependent on manufacturer＇s option properly.

C. It is up to the manufacturer to decide where and to what extent to include detailed information about more sophisticated and professional topics, either in the common Maintenance Manual or in another new documents.

A. 齿轮箱是一个包含齿轮系和轴的箱体。

B. 齿轮箱包含了齿轮火车和曲轴。

C. 有一类齿轮箱包含了齿轮组和轴。