Each electrical system has a code to identify it.

You can do this procedure only if there is no other repair in the repair area.

A. Ensure that no other repairs are underway in the repair area before undertaking this procedure.

B. This procedure can only be done if there are other repairs in the repair area.

C. Only proceed with this procedure if there are concurrent repairs being carried out in the designated repair area.

Speech communication utilizes voice modulated electro-magnetic waves to transmit and/or receive messages from air-to-air or air-to-ground installations.

A. 语音通信利用语音调制电磁波来从空对空或空对地的设备传输和/或接收消息。

B. 语音通信利用调频的电磁波来从空对空或空对地的设备传输和/或接收消息。

C. 语音通信利用调幅的电磁波来从空对空或空对地的设备传输和/或接收消息。

Lubricate the o-rings with hydraulic fluid.

A. 把O形封圈浸泡在液压油里面。

B. 防止液压油腐蚀O形封圈。

C. 用液压油润滑O形封圈。

The microprocessor cards are interchangeable.

A. 微处理器卡可以更换。

B. 微处理器卡可以互换。

C. 微处理器卡可以改变。

让油漆在环境温度下变干燥。

A. Let the plate dry at applicable temperature.

B. Let the plant dry at available temperature.

C. Let the paint dry at ambient temperature.

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。

断开所有测试不需要的系统。

A. Turn off all the unnecessary systems.

B. Disconnect all the systems which are not necessary for the test.

C. Disconnect all testing systems as necessary.

长的名词词组也会让母语为非英语的读者感到困惑，因为在某些语言中，最重要的名词是词组中的第一个名词。

A. The reason why long collocations make non-native English readers confusing is that the key word is the first one in the collocation in some languages.

B. Non-native English readers also feel confused with long noun phrases because of the great importance of the first noun in the phrase in some languages.

C. Long noun clusters are also confusing for non-native English readers, because in some languages the main noun is the first noun in the cluster.

There should be a reference in this Section to the Federal Aviation Regulation (FAR＇s 43 and 91 or other applicable regulations) as to who may perform the required and manufacturer recommended inspections.

A. 有关可执行要求的检查和制造商推荐的检查的人员，可参考本节中提及的《联邦航空法规》（FAR 43部和91部或其他适用的法律）。

B. 本节应提及，针对有资格实施必要检查和制造商所推荐检查的人员，应参考《联邦航空法规》（FAR 43部和91部或其他适用的法规）。

C. 本节须提供参考《联邦航空法规》（FAR 43部和91部或其他适用的法规）有关谁可以执行要求的监测和制造商推荐的监测。

我们建议你不要在机库里执行此程序。

A. We advice you not do this procedure in the hangar.

B. We recommend that you do not perform this procedure in the hangar.

C. We are against perform this procedure in the hangar.