A、 发动机指示由指示器、传感器、分析者等组成，它能通过单元、部件和相关系统显示发动机运行参数。
B、 发动机指示系统能显示发动机的运行，由指示器、发射机、分析仪等不同单元、部件和相关系统组成。
C、 发动机指示系统指显示发动机运行的组件、部件和相关系统，包括指示器、传感器、分析系统等。
答案：C
A、 发动机指示由指示器、传感器、分析者等组成，它能通过单元、部件和相关系统显示发动机运行参数。
B、 发动机指示系统能显示发动机的运行，由指示器、发射机、分析仪等不同单元、部件和相关系统组成。
C、 发动机指示系统指显示发动机运行的组件、部件和相关系统，包括指示器、传感器、分析系统等。
答案：C
A. Briefly describe and explain principle of operation of any new kinds of flight instruments.
B. Briefly introduce the operation principal of any new kinds of flight apparatus.
C. Briefly describe and explain the operation principle of any new kinds of flight displays.
A. Information on specific optional systems or equipment may be included in this section or in Section 9, Supplementary.
B. Information about noncompulsory systems or equipment may be included in this section or in Section 9, Supplements.
C. Information on specific optional systems or equipment may be included in this Section or in Section 9, Supplements.
A. Transport the part to the overhaul shop.
B. Transport the part to the maintenance shop.
C. Remove the part to the overhaul shop.
A. If the valve is the source of the fuel leak, discard the valve seals and install new ones.
B. If the fuel leaks out of the valve, reinstall the valve seals.
C. If the fuel leak flows towards the valve, discard the valve seals and install new ones.
A. Before you use dangerous materials, obey these precautions:
B. Before you use dangerous materials, omit these precautions:
C. Before you use dangerous materials, disobey these precautions:
A. 进气道指空气进入压气机前所经过的部分，包括导向叶片、罩环和机匣。
B. 空气进入压缩机部分的进气口部分包括导向叶片、护罩和箱子等项目。
C. 空气进入压缩机部分的进气口部分包括导向叶片、横桅索和箱子等项目。
A. Get approval for all modifications from the design authority.
B. The design department is irresponsible for approving the changes.
C. The arrangement has to be approved by the design department.
A. 本规范将满足适用的政府监管要求。
B. 此指令符合适航官方要求。
C. 此规范适用于相关政府部门的要求。
A. This system does not supersede the normal channels of communication for items not covered by the CAP.
B. This system will not change the normal ways of communication for items not listed by the CAP.
C. The normal methods of communication for items contained in the CAP will not be shifted.
A. 描述飞机电源系统时，应提供相关限制、警告和操作提示。
B. 描述飞机电源系统时，应解释相关束缚、警示和操作提示。
C. 描述飞机电源系统时，应提供相关限制、警告和操作警示。
