These buses receive power directly from the battery.

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. 这个笔记本电脑有三个备用部件。

B. 笔记本电脑有三个主要部分。

C. 这个螺钉有三个主要部分。

A. When the section or subsystem element number is followed with zeros in the subject element number (28-20-00) , the information is applicable to subsystems within the system.

B. This information applies to subsystems of the system when the topic number (28-20-00) following the section or subsystem part number is zero.

C. This information is suitable to subsystems in the system when the topic unit number (28-20-00) is followed by the section or subsystem unit number with zeros.

A. A blocked oil jet cannot enhance performance.

B. Incorrect operation is caused by a blocked oil tank.

C. A blocked oil jet can cause incorrect operation.

A. 位于连接发电机和驱动组件的法兰上的端口，使滑油在恒定转速驱动器和可用发电机之间流动。

B. 位于连接发电机和驱动组件的连接处的端口，使滑油产生了在变速驱动器和发电机之间流动的可能性。

C. 端口位于连接发电机和驱动组件的法兰上，使滑油可以在恒速驱动器和发电机之间流动。

A. Two systems can be energized at a time.

B. Two systems can be engaged at the same time.

C. Two systems can be adopted separately.

A. 不要使用其他未经批准的动词短语。

B. 不要使用其他未经批准的动词时态。

C. 不要使用其他未经批准的动词词组。

A. Make sure that the latch is fully engaged.

B. Make sure that the knob is fully engaged.

C. Make sure that the latch in full engaged position.

A. 本规范将满足适用的政府监管要求。

B. 此指令符合适航官方要求。

C. 此规范适用于相关政府部门的要求。

A. 确保螺钉稳固。

B. 确保螺母拧紧。

C. 确保螺栓牢固。