如需更改维修方案，应获得设计部门的批准。

A. Use a fan to suck the gases.

B. Use a turbine fan to remove the gases.

C. Use a fan to remove the gases.

A. 按手册将外流活门定位到全开位。

B. 外流活门的人工位置是全开位。

C. 将外流活门人工置于全开位。

A. 406MHz数字信号可识别应急定位发射器及其位置。

B. 406MHz数字信号可标记应急定位发射器并发送其位置。

C. 406MHz数学信号可由应急定位发射器来识别并发送其位置。

A. 排故信息要么通过故障排除图表显示，要么通过文本和补充图表的组合来显示。

B. 排故信息可以通过排故图表，也可以通过文本，或者文本和补充图表的组合来显示。

C. 文本和补充图表的组合可以用于显示故障排除信息。

A. Do not use verbs that are general and vague.

B. Do not use verbs that are normal and mixed.

C. Do not use verbs that are usual and blended..

A. Thus, whether the manual be a maintenance manual or a wiring diagram manual for a large airplane or a small airplane, the person wishing information concerning the indicating portion of the fuel system would refer to the Tab Chapter 28, Fuel.

B. Therefore, those hoping to obtain information about the fuel system instructions section of the repair manual or circuit diagram manual for both large and small aircraft may correspond to the label, chapter 28, Fuel.

C. As a result, regardless of the aircraft type (large or small), the person who wants to get display section information of the fuel system in the servicing manual or line diagram manual may search the tag, chapter 28, Fuel.

A. The MMEL should specify suitable limitations in the form of placards, maintenance procedures, crew operating procedures, and other restrictions as necessary to ensure an acceptable level of safety.

B. The MMEL should be in the form of annunciator, maintenance procedures, crew operating procedures to illustrate applicable limitations and other rules necessary to verify an acceptable level of safety.

C. The MEL should cover suitable limitations which are shown in palcards, maintenance procedures, crew operating procedures, and other rules to verify an acceptable level of safety.

A. 用净水清洗内表面。

B. 用温水清洗外表面。

C. 用冷水清洗外表面。

A. 直接从高压气瓶中放气是不可取的。

B. 不要直接用高压气瓶从系统中抽气。

C. 不要直接用高压气瓶给系统充气。

A. 加油活门可以在前起落架减震支柱下部找到。

B. 充气活门位于前起落架减震支柱顶部。

C. 充气活门可以在前起落架顶部的减震支柱上面找到。