A、 On pressurized aircraft,the cabin air is distributed with a system of air ducts leaded from the pressurization source into and throughout the cabin.Typically,air is ducted to and released from ceiling ventilation.
B、 Distribution of cabin air on pressurized aircraft is managed with a system of air ducts leading from the pressurization source into and throughout the cabin.Typically,air is ducted to and released from ceiling vents.
C、 On pressurized aircraft cabin air is distributed with a system of air ducts leaded from the pressurization source into and throughout the cabin.Typically,air is ducted to and released from ceiling flap.
答案：B
A、 On pressurized aircraft,the cabin air is distributed with a system of air ducts leaded from the pressurization source into and throughout the cabin.Typically,air is ducted to and released from ceiling ventilation.
B、 Distribution of cabin air on pressurized aircraft is managed with a system of air ducts leading from the pressurization source into and throughout the cabin.Typically,air is ducted to and released from ceiling vents.
C、 On pressurized aircraft cabin air is distributed with a system of air ducts leaded from the pressurization source into and throughout the cabin.Typically,air is ducted to and released from ceiling flap.
答案：B
A. The rest information could be shown on the cover plate.
B. Other information may be displayed on the cover.
C. The cover will show the other information.
A. 在远离设备或金属框架建筑物的区域进行工作。
B. 在有设备或材料框架建筑物的区域进行工作。
C. 在远离设备或材料成型建筑物的区域进行工作。
A. Emergency illumination refers to an individual and dependent subsystem which is used to provide lighting when the main electrical power fails.
B. Emergency lighting can provide illumination for an individual and independent subsystem in case of main electrical power failure.
C. Emergency lighting is the separate and independentsubsystem used to provide illumination in case of primary electrical power failure.
A. 在可能的情况下,例子、相关条件和 技巧应与图表的同一页呈现。如果没有足够的空间包括必要的信息,那么应该使用图表对面的那一页呈现。
B. 如可能,示例、相关条件和技术应与表格显示在同一页面上。空间不够时,可续页。
C. 如可能,示例、相关条件和技巧应与图表放置在同一页面内。空间不够时,可显示在正对图表的那一页。
D. C.如可能,示例、相关条件和技巧应与图表放置在同一页面内。空间不够时,可显示在正对图表的那一页。
A. 逆时针快速地转动副翼驾驶盘。
B. 顺时针快速地旋转扰流板控制手轮。
C. 逆时针快速地控制副翼操纵机轮。
A. 只要 EEC 有电,EGT 就显示。
B. 只有当 EEC 有电时,EGT 才显示。
C. 当 EEC 有电时,只有 EGT 显示。
A. 描述飞机发动机时,应简要阐述异常运行。应保持在最低限度以帮助飞行员纠正形势或使他能够向机械师描述情况。它不应是一个维修程序。
B. 描述飞机发动机时,应简要阐述非正常运行。应在最低限度帮助飞行员改正情况或使他能够向机械师描述情况。它不应是一个维修程序。
C. 描述飞机发动机时,应对非正常运行情况进行简要描述。应以帮助飞行员纠正非正常情况或使其能够向机械师描述非正常情况为宜。无须是具体的维修程序。
D. B.描述飞机发动机时,应简要阐述非正常运行。应在最低限度帮助飞行员改正情况或使他能够向机械师描述情况。它不应是一个维修程序。
E. C.描述飞机发动机时,应对非正常运行情况进行简要描述。应以帮助飞行员纠正非正常情况或使其能够向机械师描述非正常情况为宜。无须是具体的维修程序。
A. Give an explanation to show the specified risk or possible result.
B. Give an explanation to show the special risk or possible result.
C. Give an explanation to show the specific risk or possible result.
A. The accuracy of the adjustment can vary.
B. The accuracy of the adjustment can be fixed.
C. The precision of the adjustment can be prevented .
A. If the filters become clogged,send them to the laboratory for analysis of the contamination.
B. If the filters are surged,send them to laboratory for contamination analysis.
C. If the contaminant is blocking the filter,the material should be sent to the laboratory for analysis.
