488.Contamination of cabin air can be an important problem.

A. This specification provides for the preparation and insurance of more complex manuals for less complex aircraft than aircraft operated by large scheduled airlines,while achieving industry-wide standardization of naming and formatting.

B. The specification is used to prepare and release simpler manuals for less complicated aircraftrather than the aircraft operated by large scheduled airlines while achieving industry-wide standardization of terminology and format.

C. This specification specifies the preparation and release of less complex manuals for aircraft that are less complex and operated by large scheduled airlines,and realizes the industry wide standardization of terms and formats.

D. C.This specification specifies the preparation and release of less complex manuals for aircraft that are less complex and operated by large scheduled airlines,and realizes the industry wide standardization of terms and formats.

A. The manufacturer may establish procedures to provide drawback on unairworthy conditions.

B. The manufacturer may establish procedures to provide response on unairworthy conditions.

C. The manufacturer may establish procedures to provide recall on unairworthy conditions.

A. Use the specified one if theequivalent material is not available.

B. Use the available equivalent one if no material is specified.

C. If you can not get the specified material,use an equivalent.

A. 安装后不需向起动机添加滑油。但是必须提供一个新的起动机以及少量的滑油。参考飞机维护手册第 12 章的第二部分关于油量的要求和程序。

B. 安装后无需向起动机添加滑油。但是你必须提供一个含有少量滑油的新的起动机。参考飞机维护手册第二部分第 12 章关于油量的要求和程序。

C. 安装后无需给起动机加滑油。但是必须给新的起动机加入少量滑油。油量要求和程序参考飞机维护手册第二部分第 12 章。

D. C.安装后无需给起动机加滑油。但是必须给新的起动机加入少量滑油。油量要求和程序参考飞机维护手册第二部分第 12 章。

A. Clamps should be spaced at intervals not exceeding 24 inches.Clamps on wire bundles should be selected so that they have a snug fit without pinching wires.

B. Pins should be spaced at intervals not exceeding 24 inches.Pins on harness should be selected so that they have a snug fit without pinching wires.

C. Pins should be spaced at intervals not exceeding 24 inches.Pins on harness should be selected so that they have a snug fit without scratching wires.

A. 发动机系统包含元件和部件用于控制和改变润滑剂在发动机入口和出口的流动。

B. 发动机系统包含控制和引导润滑油从进口流向出口的组件和部件。

C. 润滑剂靠发动机的元件和部件的控制和引导在发动机里产生流动。

A. The engine and all additional facilities use indifferent lubricants.

B. The engine uses multiple types of lubricants for different purposes.

C. The engine and all auxiliary equipment use the same lubricant.

A. Section 1 of the Pilot's Operating Handbook shall introduce basic data and information of general interest to the pilot.The data and information is useful in loading,sheltering,handling,and routine preflight checking of the airplane.

B. Section 1 of the Pilot's Operating Handbook shall present basic data and information of general interest to the pilot.The general interest is useful in loading,sheltering,handling,and routine preflight checking of the airplane.

C. Section 1 of the Pilot's Operating Handbook shall present basic data and information of generalinterest to the pilot.The pilot is useful in loading,sheltering,handling,and routine preflight checking of the airplane.

D. C.Section 1 of the Pilot's Operating Handbook shall present basic data and information of generalinterest to the pilot.The pilot is useful in loading,sheltering,handling,and routine preflight checking of the airplane.

A. 重心是飞机悬浮时保持平衡的点。它与参考基准的距离是通过总力矩除以飞机的总重量得出的。

B. 飞机的重心是使飞机保持平衡的点。它与参考基准的距离可以通过总弯矩除以飞机总重量找到。

C. 重心是如果飞机悬着使飞机保持平衡的点。它到参照基准的距离可以通过总长度除以总重量找到。

D. C.重心是如果飞机悬着使飞机保持平衡的点。它到参照基准的距离可以通过总长度除以总

E. C.重心是如果飞机悬着使飞机保持平衡的点。它到参照基准的距离可以通过总长度除以总重量找到。

A. 该部件中的空气循环使得特定部件的温度不超限。

B. 某些部件的温度不超限因此该部件中的空气能够流动。

C. 该部件中的空气的旋转和特殊部件的温度均不超限。