2249.In the description of the airplane's Cabin Pressurization System,how this system ties in with the heating,ventilating,defrosting and air-conditioning systems shall be explained.

A. 某些油箱被称为配平油箱,因为它们不仅储存燃油,也用于飞机配平.

B. 飞机上一些油箱用于储存燃油,一些油箱用于飞机配平,所以叫做配平油箱。

C. 飞机上用于储存燃油的油箱需要用空气进行配平.这个过程叫配平油箱。

A. 告诉一个人撤除轮挡。

B. 告诉 A 撤除轮挡。

C. 告诉一个人去拆卸机轮。

A. It includes items such as the inflation of shock struts.

B. It includes items such as the deflation of shock struts.

C. It includes items such as the lubrication of shock struts.

A. 燃油泵安装在隔框附近。

B. 燃油泵与隔框安装紧密。

C. 滑油滤安装在机匣附近。

A. The approved repair part must contain the skill and technology required to carry up the repair.

B. The approved repair portion shall include processes and techniques necessary for performing a repair .

C. The necessary workmanship and skills constitute the approval of the repair portion.

A. Take out all the rigging pins and equipment that promote free motion of the control surfaces.

B. Remove all the rigging pins and equipment that prevent free movement of the control surfaces.

C. Clear the control surfaces from any rigging pins and equipment that contributes to their unrestricted mobility.

A. The auxiliary battery and auxiliary battery charger and the main battery connect together during non-normal conditions to help supply power.

B. In normal conditions,the auxiliary battery and auxiliary battery charger should be disconnected.

C. In non-normal conditions,the auxiliary battery and auxiliary battry charger should be disconnected.

A. This step is applied to primer layer only.

B. This step can be only applied when the top is painted.

C. This step is applicable only when you apply the top layer of paint.

A. TA-100 要求的情况下,将使用第 19 段格式。

B. 任何以 ATA No.100 格式发布的技术数据将满足本规范的要求,但在没有预见 ATA-100要求的情况下,将使用第 19 段格式。

C. 任何以 ATA No.100 格式发布的技术数据将满足本规范的要求,但在预见不需要满足

A. Write instructions in the infinite form.

B. Write instructions in the command form.

C. Write instructions in the appropriate form.