986. A dedicated tool is necessary for the installation of the unit

A. 在修改图示的情况下,可以使用黑色横线或者黑色手势来引起读者对于修改部分的注意

B. 在更换描述的情况下,可以使用黑色竖线或者黑色手势来引起读者对于修改部分的注意

C. 在修改图示的情况下,可以使用黑色竖线或者黑色手势来引起读者对干修改部分的注意

A. Having reached the airport, he found the airplane would take off.

B. Having reached the airport, he found the airplane was taking off.

C. Having reached the airport, he found that the airplane had taken off.

A. The landing gear door is a closed construction. If the door is a monolithic structure, it can only be shown in Chapter 32.

B. The landing gear door is a closed construction. If the door is a separate structure, it can only be shown in Chapter 32.

C. The structure of the doors used to enclose the landing gear compartments. If the doors are made as an integral structure they could be shown only in Chapter 32.

A. When the required maintenance procedure is not very long and fairly simple, the above combination can be grouped under a title which is called maintenance practice.

B. When the required maintenance procedure is not lengthy and is relatively simple, a combination of the above may be grouped under one heading and called maintenance practices.

C. When the required maintenance procedures are not very long and comparatively simple, the above combinations can be bound under one subject, calling maintenance practices.

A. FLAT

B. BEND

C. STRAIGHT

A. 增压控制的第二种方式是定差模式,它控制客舱压力,无论飞机的高度如何变化,保持客舱内气压与环境气压之间恒定的压差;

B. 增压控制的第二种方式是变差模式,它控制客舱压力,使客舱内气压与环境气压之间保持恒定的压差,无论飞机的高度如何变化;

C. 增压控制的第二种方式是定差模式,它控制客舱压力,飞机随着飞行高度的变化,保持客舱内气压与环境气压之间变化的压差;

A. 垂尾顶部安装有垂直安定面。

B. 机身后段顶部安装有垂尾。

C. 垂直安定面安装在机身尾段顶部。

A. 给计算机备份文件,常规时期

B. 定期备份计算机文件

C. 定期清理计算机文件

A. The Continuing Airworthiness Program is not designed to adjust or substitute any partition of the proper airplane Maintenance Manual or Service Letters.

B. The Continuing Airworthiness Program doesn＇t have the intention to alter or replace any part of the appropriate aircraft Maintenance Manual or Service Letters.

C. Any part of the applicative airplane Maintenance Manual or Service Letters will not be changed or replaced by Continuing Airworthiness Program.

A. Troubleshoot the VHF Communication system per FIM

B. Do the troubleshooting procedure on the VHF navigation system.

C. Do the fault isolation procedure for the ADIRU system.