Towing vehicles, tow bars, towing cables, etc. are needed.

A. 支撑柱将地板结构固定在适当位置。

B. 支撑柱将地板结构固定在地面上。

C. 支撑柱适用于稳定的地板结构。

A. 量规的精度必须符合适用的质量标准。

B. 选择量规必须参照已有的质量标准。

C. 采购护目镜必须满足相应的质量标准。

A. These buses consume power directly from the battery.

B. These buses accept the direct current of battery.

C. The battery supplies power directly to these buses.

A. Make sure that chemical compound are not near the engine nozzle.

B. Make sure that solvents are not near the engine exhaust.

C. Make sure that there＇s no isopropyl alcohol near the engine exhaust port.

A. 自主式定位包括惯性制导系统、天气雷达、多普勒、接近预警、避撞、星体跟踪器等部分，以及六分仪/八分仪等。

B. 自主式定位包括导向系统、天气雷达、多普勒、近地警告、避撞、星体雷达等部分，和六分仪/八分仪等。

C. 自主式定位包括导向系统、天气雷达、多普勒、接近预警、避撞、星形跟踪器等部分，和六分仪/八分仪等。

A. Wait for the paint to dry completely before polishing it again.

B. Do not apply the second layer of paint if the first layer has dried thoroughly.

C. Let the first layer of paint dry fully before you apply the second layer.

A. There are three jacks onboard the fuselage.

B. There are three jacking adapters on the fuselage.

C. There are three jacking points on the fuselage.

A. The antenna should be put in the right position on the airplane surface.

B. There is an antenna positioning in the suitable place on the airplane skin.

C. Correct the antenna position on the airplane surface.

A. CAP不改变或替代任何规定，而是作为飞机维修手册或服务信函的一部分。

B. 建立CAP的意图并不是要改变或取代适用的飞机维修手册或服务信函的任何部分。

C. CAP对任何不适用于飞机维修的手册或服务信函部分做更改或替代。

A. 如果在测试过程中选择中断，测试会停止并在CDU上显示测试中断页面。

B. 如果在测试时选择暂停，测试会停止并且CDU上显示测试暂停页。

C. 如果在测试时选择暂停，CDU测试将中断并且显示测试暂停页。