在法兰盘上安装一个新的垫圈。

All flow control devices within the system, such as check valves, fuel pumps, accumulators, and relays should be included and indicated. Solenoid valves shall be indicated as such and shall include a notation indicating whether the valve is spring-loaded to the open or closed position. Once a symbol or device is established for a valve or control, it shall be used for this type of unit throughout the manual. The symbols used should be shown and identified in a legend block on the schematic diagram.

A. 系统内的所有流量控制装置，如止回阀、燃油泵、蓄能器和继电器都应包括在内。电磁阀应标明，并应包括一个说明，表明该阀是由弹簧加载到打开或关闭位置。一旦为阀门或控制装置确定了一个符号或装置，它应在整个手册中用于该类型的装置。所用的符号应在原理图的图例块中显示和标识。

B. 系统流程图应对该系统内的所有流量控制装置进行标识，如单向活门、燃油泵、蓄压器和继电器。电磁阀门也应标识，并以注释形式说明该阀门是否使用弹簧加载在开位或关位。一旦确定了各阀门和控制器对应的符号，则应在整个手册中保持一致。

C. 系统内的所有流量控制装置，如止回阀、燃油泵、蓄能器和继电器，都应包括在内并标明。电磁阀应按此指示，并应包括一个符号，指示阀门是弹簧加载到打开位置还是关闭位置。一旦为阀门或控制装置建立了符号或装置，则应在整个手册中将其用于此类装置。所使用的符号应在原理图上的图例块中显示和标识。

确保驾驶舱头顶板上的探头加温电门放在自动位，所有的加温灯点亮。

A. In flight deck, once you set probe heater switches on the overhead panel automatically, all the heater lights flash.

B. Make sure probe heater switches on the overhead panel in flight deck are in AUTO position and all the heater lights illuminate.

C. Set probe heater switches on the overhead panel in cockpit in AUTO position so that all the heater lights come into view.

确保螺栓上的标记与手柄上的标记水平.

A. Make sure that the mark on the bolt is aligned with the mark on the handle.

B. Make sure that the mark on the bolt is level with the mark on the handle.

C. Make sure that the mark on the bolt is parallel to the mark on the handle.

There are three classes of structure: primary, secondary and tertiary.

A. 结构类别分为三类：主要的、次要的、备用的。

B. 结构类别分为三类：主要的、次要的、必需的。

C. 结构类别分为三类：主要的、次要的、第三位的。

In the description of the airplane＇s Engine, the air induction system shall be described including: 1.Path of flow of the air 2.Icing protection 3.Filtering 4.Supercharging/Turbocharging 5.Restrictions, warnings, tips

A. 描述飞机发动机时，应描述进气系统包括： 1.空气流动路径 2.保护结冰 3.筛选 4.增压/涡轮增压 5.限制、警告、提示

B. 描述飞机发动机时，应描述有关进气系统的以下信息： 1.气路 2.防冰 3.过滤器 4.增压/涡轮增压 5.限制、警告、提示

C. 描述飞机发动机时，应描述吸气系统包括： 1.空气流动路径 2.防冰 3.过滤 4.增压/涡轮增压 5.限制、警告、提示

Make sure that the adjustment is in the limits given in table 1.

A. 确保在表1中给定的范围内进行测量。

B. 确保在表1中给定的范围内进行调节。

C. 确保按照表1中的数值进行校准。

按照AMM要求维修或更换导线束或套管。

A. Repair or replace the wire bundle or conduit per the requirements of AMM.

B. Refer to the requirements of AMM repair or relocate the wire bundle or conduit.

C. According to AMM require to repair or change the wire bundle or conduit.

如果为阀门或控制建立符号或图案，这种类型的装置在整个手册中都要用它。使用的符号应在原理图的图例块中显示和标识。

A. If a symbol or device is established for a valve or control, it shall be used for this type of unit throughout the manual. The symbols used should be shown and identified in a legend block on the schematic diagram.

B. If a symbol or device has been set up to a valve or control, the equipment type will be referred to as this symbol or device throughout the manual. The legend block in the diagram displays or identifies symbols or device.

C. If a symbol or design is specified for a valve or control, this type of device is used throughout the section of the manual. The symbols used can be found and identified in the legend block of the schematic.

逆时针旋转盖子。

A. Turn the cap counterclockwise.

B. Turn the cap clockwise.

C. Rotate the cap clockwise.

If a word that you want to use is not in the dictionary, search for that word in an English dictionary and find which is the best synonym listed in the STE dictionary.

A. 如果你在英语字典里找不到想用的词，在STE字典中搜索这个词直到找到最好的同义词。

B. 如果你在词典里找不到想用的词，在英语字典中搜索这个词从而找到最优的近义词。

C. 如果你想用的词不在字典里，在英语字典中搜索这个词，找到STE字典中列出的最优的同义词。