393. A list of Page Effectivity should be provided in the front of each Manual and can be combined with the Table of Contents,or in front of each System/Chapter

A. 丁酮是重度除油剂,适合金属准备和编织盖板喷漆前去油。

B. 丙酮是重度油污去除剂,适合金属表面预处理和织物蒙皮喷漆前去油。

C. 异丙醇是重度油污去除剂,适合金属生产处理和织物表面喷漆前除油。

A. 不要在机库里进行这项程序

B. 不要在车间内进行这项程序

C. 不要在机坪上进行这项程序

A. 对于可能不适用于航空器或出版物的章节,所有出版物不应使用标准编号系统对本规范中规定的主题进行索引和分配。

B. 对于可能不适用于航空器或出版物的章节,所有出版物应使用特殊的编号系统对本规范中规定的主题进行索引和分配。

C. 即使所有章节可能不适用于航空器或出版物,所有出版物也应使用标准编号系统对本规范中规定的主题进行索引和分配。

A. The sequence of the explanation should be powerplant instrument markings, then powerplant limitations.

B. An explanation of powerplant instrument markings shall immediately follow the presentation on powerplant limitations.

C. Presentation on powerplant limitations shall come after the explanation of powerplant instrument markings.

A. Steel is light and strong, so that it is widely used in aircraft manufacturing industry.

B. Aluminum alloy is light and strong, therefore it is widely used in aircraft manufacturing industry.

C. Aluminum alloy is light and strong, so that it is seldom used in aircraft manufacturing industry.

A. Before you operate the pump again, let the reservoir temperature decrease to ambient temperature or below the temperature at which the equipment damage occur.

B. Before you operate the pump again, decrease the reservoir temperature to outside temperature to aggravate the damage to equipment.

C. Before you operate the pump again, decrease the reservoir temperature to the environment temperature around to prevent the equipment from being damaged.

A. The General Aviation Manufacturers Association compiled this specification to guide the manufacturers of the aircraft engine and component developing their Continuous Airworthiness Program Inspection Documents.

B. The Continuous Airworthiness Program Inspection Documents prepared by the manufacturers of the aircraft engine and component was guided by the General Aviation Manufacturers Association.

C. This specification was developed by the General Aviation Manufacturers Association as guidance for airplanes,engine and component manufacturers in preparing Continuing Airworthiness Program Inspection Documents.

A. Spread a thin layer of sealing compound with a brush on the surface of the bare metal.

B. Spray a thin layer of sealing compound on the metal sheet.

C. Apply a thin layer of sealant on the bare metal.

A. 在需要折叠的书页上,折叠时应使页码可见。

B. 在手册的折叠页上,在折叠的地方应标示出页码。

C. 对于折叠页,应建立一个以页码为文件名的文件夹。

A. The precaution of the adjustment can change.

B. The precision of the adjustment can change.

C. The precision of the alignment can change.