The airspeeds which may enhance the safety of operations shall be provided as a preface to the Normal Procedures Section.

A. Sentence forms shall be simple and direct ,omitting discussions of theory except where essential for practical understanding and application.

B. The sentence form should be easy and direct, avoiding discussion of theory except when practical understanding and application are necessary.

C. The form of a sentence should be simple and direct, and the discussion of theory should be omitted in addition to practical understanding and application.

A. 余下说明仅适用于装有机身油箱的飞机。

B. 装有中心油箱的飞机可以参考下面的说明。

C. 下面的说明阐述了装有机身油箱的飞机的操作规范。

A. In designing schematic diagrams, it may be necessary to combine two aspects: specification necessary to make the diagram clear; And the similarity essential for ease of reading and understanding.

B. In designing schematic diagrams, it may be necessary to comprehend two aspects: detection necessary to make the diagram self-contained; And the simplification essential for ease of reading and understanding.

C. In designing schematic diagrams, it may be necessary to compromise two aspects: detail necessary to make the diagram self-explanatory; And the simplicity essential for ease of reading and understanding.

A. 该速度指示仪此段弧线的上限是需襟翼放下时必须达到的最大速度。

B. 该速度指示仪此段弧线的上限是允许放襟翼的最大速度。

C. 该速度指示仪此段弧线的上限是襟翼收起情况下所允许的最大速度。

A. 该组件分配和过滤油液。

B. 该组件增压和过滤油液。

C. 该组件增压和旁通油液。

A. When a capital letter or a symbol is used for a unit of measurement, you should take it and the number before it as a word.

B. When used in measurement, the acronym or the symbol and the related number should be taken as a word.

C. When you write an abbreviation or a symbol for a unit of measurement, count it and the preceding number as one word.

A. 转动凸轮以松开管路。

B. 转动卡箍以使管路自由移动。

C. 转动卡箍以松开管路。

A. 文本可以有一或两栏，带有或不带有理由。警告、注意和注释可用于突出或强调重点。

B. 带有理由或不带有理由的文本可以准备成为一栏或两栏。警告、注意和备注可用于标示出或强调重点。

C. 文本可以按照是否有理由来编写成一栏或两栏。警告、注意和注释可以用来突出或强调要点。

A. 对2号引擎进行排故。

B. 对2号发动机进行大修。

C. 对2号发动机进行校验。

A. The parts must be assembled tightly.

B. Make sure that the parts are attached securely.

C. The parts must be assembled loosely.