A、 When the section or subsystem element number is followed with zeros in the subject element number (28-20-00) ,the information is applicable to subsystems within the system.
B、 This information applies to subsystems of the system when the topic number (28-20-00) following the section or subsystem part number is zero.
C、 This information is suitable to subsystems in the system when the topic unit number (28-20-00) is followed by the section or subsystem unit number with zeros.
答案：A
A、 When the section or subsystem element number is followed with zeros in the subject element number (28-20-00) ,the information is applicable to subsystems within the system.
B、 This information applies to subsystems of the system when the topic number (28-20-00) following the section or subsystem part number is zero.
C、 This information is suitable to subsystems in the system when the topic unit number (28-20-00) is followed by the section or subsystem unit number with zeros.
答案：A
A. 货舱里有地板和衬层。衬层防止货舱内出现烟雾,防止对衬层和导线造成损坏。
B. 货舱里有地板和衬层。衬层使烟雾留在货舱,防止对衬层和导线造成损坏。
C. 货舱里有地板和衬层。衬层使烟雾留在货舱,防止对管路和导线造成损坏。
A. 支撑柱将地板结构固定在适当位置。
B. 支撑柱将地板结构固定在地面上。
C. 支撑柱适用于稳定的地板结构。
A. All range distances shall be expressed in nautical miles.
B. All range dimensions shall be defined in kilometers.
C. Nautical miles should not express all range distances.
A. Definitions in this manual shall be conformed with those in the Federal Aviation Legislations.
B. Definitions in the handbook shall be consistent with definitions contained in the Federal Aviation Regulations.
C. Definitions in the Federal Aviation Regulations shall be consistent with definitions contained in the handbook.
A. 开口销被用于发动机控制、起落架、尾轮组件或任何作动运动发生的其他地方。
B. 开口销被用于发动机控制、起落架、尾轮组件或任何点,来使作动运动发生。
C. 开口销被用于发动机,控制起落架、尾轮组件或任何作动运动占据的其他点。
A. The paper must include a three-looking picture of the unit.
B. The report must inclue a three- view drawing of the unit.
C. The diagram must include a three-side drawing of the unit.
A. 不需要使用支架或梯子就能实现在地面做检查。
B. 无需使用支架或梯子就能完成地面检查。
C. 检查是在地面上完成的,不需要使用架子或梯子。
A. Reinstall the supply ducts in the wing de-icing system.
B. Install the telescopic ducts in the wing de-icing system.
C. Install the elastic ducts in the wing anti-icing system.
A. Refer to the general information in addition to engine operation limits,guidelines and special procedures.
B. For general information,refer to engine operation limits,guidelines and special procedures.
C. Refer to engine operation limits,guidelines and special procedures besides general information.
A. An inoperative pump will be identified by a decontaminated filter.
B. Contaminated filter elements indicate a defective pump.
C. If filter elements are clean ,the filter elements are inoperative.
