本系统并不会取代不包括在CAP内的项目的正常通讯渠道。

A. 为了简化表示和便于理解，应将复杂的系统分为系统功能，而非总体主原理图。

B. 为了充分展示和理解，应将复杂系统分解成子系统，而非总体主图表。

C. 为了演示方便和便于理解，复杂系统应简化为系统功能，而不是总体主图表。

A. In an emergency, you can use fuel F-43 as an alternative to fuels F-34 and F-40.

B. In an emergency, you can replace fuels F-43 with fuels F-34 and F-40.

C. In an emergency, fuel F-43 can be used as an alternate to fuels F-34 and F-40.

A. By way of the control unit, enter the opening in the side of the tank.

B. Get access to the control unit through the opening in the side of the tank.

C. Get access to the control unit by opening one side of the tank.

A. 选择适用的垫圈，确定恰当的尺寸。

B. 挑选适用的调整片以确保厚度合适。

C. 从可用的垫片中进行选择，以获得正确的厚度。

A. Check such system to determine the cause of interference.

B. Examine part of the system to find the cause of the interference.

C. Examine all of the system to find the cause of the interference.

A. 降低氮气压力至120 磅/平方英寸。

B. 减小氮气压力120 磅/平方英尺。

C. 把氮气压力减小120 磅/平方英尺。

A. Each Chapter or Section is to begin with a specific instruction of the system and its Operation and should be labeled “Description and Operation”.

B. A general description of the system begins with each Chapter or Section and its operation and should be labeled “Description and Operation”.

C. Each Chapter or Section is to start with a general description of the system and its operation and should be labeled “Description and Operation”.

A. 技术动词既可以用作动词，也可以用作名词。

B. 技术动词只能用作动词，不能用作名词。

C. 技术动词和动词的用法相同，与名词不同。

A. You can use the past form of technical verbs as adjectives.

B. You can use the past tense form of technical verbs as adverbs.

C. You can use the past participle of technical verbs as adjectives.

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。