Do not use other verb tenses that are not approved.

A. 机组能用飞行指令需求来控制飞机的姿态。

B. 机组能用飞行指引指令来控制飞机的高度。

C. 机组能用飞行指引指令来控制飞机的姿态。

A. Give an explanation to show the specified risk or possible result.

B. Give an explanation to show the special risk or possible result.

C. Give an explanation to show the specific risk or possible result.

A. 特定手册中使用的定义应适用于该特定的飞机或装置。

B. 对特定手册的说明应针对特定飞机或装置。

C. 特定手册中的定义应依据特定飞机或构型制定。

A. Sometimes, FAA and other airworthiness authority may accept the Continuing Airworthiness Program that uses the Specification.

B. Sometimes, we use the Specification to prepare a Continuing Airworthiness Program that will be accepted by non-FAA airworthiness authority.

C. Sometimes, during preparing a Continuing Airworthiness Program, using the Specification may be accepted by FAA and other airworthiness authority.

A. 货舱空气的不流通是个重要的问题。

B. 客舱空气污染是一个重要的问题。

C. 处理机舱空气是个重要的问题。

A. Thus, whether the manual be a maintenance manual or a wiring diagram manual for a large airplane or a small airplane, the person wishing information concerning the indicating portion of the fuel system would refer to the Tab Chapter 28, Fuel.

B. Therefore, those hoping to obtain information about the fuel system instructions section of the repair manual or circuit diagram manual for both large and small aircraft may correspond to the label, chapter 28, Fuel.

C. As a result, regardless of the aircraft type (large or small), the person who wants to get display section information of the fuel system in the servicing manual or line diagram manual may search the tag, chapter 28, Fuel.

A. 与联络人有适用性方面的问题，可以联系工程部解决。

B. 如对本要求的适用性有疑问，请联系工程部联络人。

C. 如果适用性有问题，请联系工程部联络人。

A. 如果你不能轻易地安装开口销，增大杆的长度。

B. 如果你不能轻易地安装校装销，调整杆的长度。

C. 如果你不能轻易地安装开口销，调节杆的尺寸。

A. Set the width of the control rod as necessary.

B. Set the length of the control rod as necessary.

C. Set the height of the control rod as necessary.

A. Thus, the more words there are in a cluster, the more difficult it is to understand.

B. Therefore, the more words are there in a phrase, the more difficult it is to understand.

C. So, the more nouns in a phrase, the harder it is to understand.