The windshield outlets are forward of the captain and first officer glareshield.

A. Unscheduled maintenance checks are those maintenance checks and inspections on the aircraft, its systems and units which are recognized by the manufacturer as special or unusual conditions which are not related to the time limits specified in -10 above.

B. For the unscheduled maintenance checks and inspections of aircraft, aircraft systems and components, the manufacturer shall not include special or unusual conditions from the time limits specified in -10.

C. If the unscheduled maintenance checks and inspections on the aircraft, its systems and units are special or unusual conditions, the time limits specified in -10 shall be referred to by the manufacturer＇s.

A. Detach the connection of the valve in the direction opposite to the flow.

B. Detach the connection of the upstream valve.

C. Detach the connection of the valve in the direction identical to the flow.

A. Select the specific system that you will apply pressure to.

B. Select the hydraulic system that you will pressurize.

C. Identify the hydraulic system that you will bleed.

A. 每间隔20秒点击一次。

B. 咔哒声的时间间隔必须为20秒。

C. 必须将咔哒声的时间间隔调整为20秒。

A. 评估一个事故造成的损伤。

B. 通过事件来检查一个损伤。

C. 事故后检查损伤。

A. 解决急发故障问题。

B. 执行相关排故程序。

C. 对有问题的的程序进行修订。

A. 组件延伸至壳体，安装并连接在通信控制组件上。

B. 组件延伸至壳体组件，并与伸缩控制组件相连。

C. 组件延伸至壳体组件，并与通讯控制组件相连。

A. 在将飞机恢复至初始状态前，确保已完成该步骤。

B. 确保在完成该步骤前，先将飞机置于初始状态。

C. 将飞机拖回初始位置前，应确保已完成该步骤。

A. All publications shall use the standard numbering system.

B. All documents and materials shall use the standardized numbering index system.

C. All publications shall use the standard numbering system for indexing.

A. If the Halon extinguisher has its lever lock pin lost, you must scale the extinguisher to make sure if it is full.

B. If the hand lock pin on the Halon fire flask is not there, you must weight the extinguisher to see if it is full.

C. If the handle lock pin on the Halon extinguisher is not there, you must weigh the extinguisher to find if it is full.