APU排气是危险的。

The lighting subsystems in the areas in which the passengers are seated and in buffet/galley, lavatories, lounges and coat rooms. Includes items such as direct and indirect illumination, passenger call system, lighted signs, etc.

A. 乘客座位所在区域以及自助餐/厨房、卫生间、休息室和更衣室中的照明子系统。包括直接和间接照明、主警示灯系统、警示灯调光系统等。

B. 乘客座位所在区域以及自助餐/厨房、卫生间、休息室和更衣室中的照明子系统。包括直接和间接照明、乘客阅读灯、机舱圆顶灯等。

C. 乘客座位所在区域以及自助餐/厨房、盥洗室、休息室和衣帽间中的照明子系统。包括直接和间接照明、乘客呼叫系统、照明标志等。

Bleed the system before you disconnect the components.

A. 拆卸组件之前，先将系统泄压。

B. 在断开导线之前，给系统放气体。

C. 在断开部件之前，请确保完全停止供气。

显示器左上角的数字表示相关的页面。

A. A number in the bottom left corner of the display means a related page.

B. A number in the top left corner of the display refers to a related page.

C. A number in the top left corner of the display is the irrelevant page.

EGT indicators identify the lean fuel flow mixtures for various power settings.

A. The lean fuel flow mixtures will be provided by the EGT indicators under different engine powers.

B. EGT indicators constantly monitor the lean fuel flow mixtures wherever the thrust lever is.

C. The lean fuel flow mixtures are induced by the EGT indicators to various powerplants.

The related caution light must go off after 30 seconds.

A. 相关警戒灯必须在30秒后熄灭。

B. 故障的警告灯必须在30秒后关闭。

C. 相关警告灯会在30秒后熄灭。

The precision of this adjustment is important.

A. 这种调整的精度很重要。

B. 这种调整的范围很重要。

C. 这种测试的精度很重要。

Each graphical or tabular data presentation shall include one or more examples of the proper use of the data presentation unless its use is sufficiently simple that misuse or misunderstanding is improbable.

A. 每个图形或表格数据应包括一个或多个正确使用数据展示的示例，除非其使用非常简单，不可能出现误用或误解。

B. 除非简单到不可能出现误解或误用，否则每个图或表格应至少给出一个数据使用示例。

C. 每个图形或表据展示应包括一个或多个正确使用数据展示的示例，除非其使用足够简单，不可能出现误用或误解。

Do these two steps at the same time.

A. 分步执行这两个步骤。

B. 依次执行这两个程序。

C. 同时做这两个步骤。

The drain and vent system consists of lines collecting and carrying waste fluids and vapor overboard from the engine and nacelle accessories. Drains are provided to carry fluids from any point where lines and accessories may leak and where fluids may accumulate in a cavity. Fluid from forward and aft sumps, oil-fuel heat exchanger, VBV, and VSV are discharged overboard through drains. In addition, some drain lines serve as vents to carry air and vapor from the engine and accessory cavities.

A. 放泄系统由管路组成，管路收集来自发动机和短舱的废液和水汽，并把它们排向机外。放泄管出现在可能泄漏的管路、附件的任何点上，也可能出现在油液会聚集于某一个腔的地方。来自于前后腔、滑油-燃油换热器、可调放气活门、可调静子叶片的油液也会通过这些放泄管排到外面。有些放泄管还有通风口的作用，它们会把发动机和附件内的空气和水气带到外面。

B. 放泄系统由管路组成，管路收集来自发动机和吊舱的废液和水汽，并把它们排向机外。放泄管出现在可能泄漏的管路、附件的任何点上，也可能出现在油液会聚集于某一个腔的地方。来自于前后腔、液压油-燃油换热器、可调引气活门、可调静子叶片的油液也会通过这些放泄管排到外面。有些放泄管还有通风口的作用，它们会把发动机和附件内的空气和水气带到外面。

C. 放泄系统由管路组成，管路收集来自发动机和短舱的废液和水汽，并把它们排向机外。放泄管出现在可能泄漏的管路、附件的任何点上，也可能出现在油液会聚集于某一个腔的地方。来自于前后腔、滑油-燃油换热器、可调放气活门、可调静子叶片的油液也会通过这些放泄管被放压。有些放泄管还有通风口的作用，它们会把发动机和附件内的空气和水气带到外面。

很难确定腐蚀的影响，但是如果收到持续适航大纲检查报告，检查时间将根据任何严重的问题进行调整。

A. It is very difficult to determine the effects of corrosion but, as the reports from the CAP inspections are received, the inspection times will be adjusted for any severe problems.

B. It is not easy to decide the affection of corrosion, when the reports from the CAP inspections are received, the inspection duration will be changed for any serious problems.

C. It is very hard to make the decision of the corrosion effects but, if the reports from the CAP inspections are obtained, the inspection times will be arranged in accordance with the severest problem.