They are reserved for use in those cases where the number of breakouts provided by the fourth digit in the 05-20 breakout is not sufficient to cover all of the maintenance checks dictated by subsystem 05-10 above.

A. 将车辆拉至规定的安全区域。

B. 将车辆拉至特定的、可以使用程序的区域。

C. 将车辆拉至可以使用标准程序的安全区域。

A. 对损伤及邻近区域进行检查。

B. 检查损伤及隔离区域。

C. 对与损伤相连接的区域进行检查。

A. The shim is t,which is thick by calculating x and y.

B. Calculate the shim,the result of the thickness is x-y .

C. The thickness of the shim is thus calculated: t=x-y.

A. 描述飞机的门、窗和出口时，应精确描述有关应急出口使用的。

B. 描述飞机舱门、窗和出口时，应给出使用救援通道的准确说明。

C. 描述飞机舱门、窗和出口时，应准确指导使用应急门。

A. 拧紧堵头至6牛顿。

B. 给堵头磅力矩至6牛米。

C. 测量堵头拧紧力为6牛顿米。

A. Mark and protect the parts and then remove the parts.

B. Mark and protect the parts that are removed.

C. Mark and protect the parts that will be removed.

A. 说明如何挖掘潜在的问题，以及出现不良功能时应该怎么办。

B. 解释如何识别即将出现的问题，以及发生故障时应采取的措施。

C. 说明如何确认多发问题，以及如果故障发生应该做什么。

A. Acquire the flight data from the recorder.

B. Eliminate the tape about the information after flight.

C. Remove a recording of flight data from the tape.

A. To simplify the overall master wiring diagram to make it easy to understand, complex systems should be described in terms of functional interconnections.

B. The overall master wiring diagrams are too complex to be understandable, so the presentation of the systems shall be simplified and the interconnections should be plainly noted.

C. To make the wiring diagrams simplified and understandable, the complex systems should be described in system-functions. The connection of each system shall be presented clearly.

A. 给组件涂上正确的颜色。

B. 用合适的颜色识别组件。

C. 对配件进行颜色编码。