There must be a good airflow in the work area.

A. 风扇有自动开关用以保护风扇过热受损。

B. 风扇有保护电门用以防止风扇过度受损。

C. 风扇有热电门用以避免风扇过热受损。

A. 反推可以提供刹车力使尾喷气流偏转至相反方向。

B. 反推通过使排气气流转向相反的方向来产生制动力。

C. 尾气气流偏离至反方向从而使反推提供刹车。

A. In these conditions, removal of the squibs from the fire extinguisher bottle is appropriate.

B. It is dangerous to remove the cartridges from the fire extinguisher bottle except under these conditions.

C. In these conditions, it is dangerous to remove the cartridges from the fire extinguisher bottle.

A. 如果无法安全实施这一机动，应提供不要尝试此机动的警告。

B. 如果一个动作不能安全完成，要有警告不要完成这个动作。

C. 如果不能完成一个动作，要提供一个安全警告。

A. Scrap the unit at the next check.

B. Repeat the unit at the next check.

C. Change the unit when performing next check.

A. 给出控制面板的原理图或图片。

B. 画出娱乐面板的示意图或图片。

C. 提供仪表板的图纸或图片。

A. After the valid date of this amendment, a newly produced aircraft＇s pilot＇s manual must be approved by FAA.

B. After this revision date, FAA must approve a newly produced aircraft＇s pilot＇s manual .

C. After the effective date of this revision, Pilot＇s Operating Handbooks for newly manufactured airplanes must be FAA Approved Airplane Flight Manuals.

A. 将这个单元拆分为两部分。

B. 将这个单元重组成两部分。

C. 将这个部分拆分为两单元。

A. Airplane maintenance manual or section should contain at least the following information: about the airplane and its systems and installations including its engines, propellers and articles.

B. Airplane structure manual or section should consist of at least the following information: data of the airplane and its systems and installations excluding its engines, propellers and appliances.

C. Airplane maintenance manual or section, which includes at least the following information: a description of the airplane and its systems and installations including its engines, propellers and appliances.

A. 每一页都必须载明原始事件日期，直到修订，修订时，也必须载明最新修订的事件日期。

B. 每一页都必须标明原始版本的出版日期，直到修订为止。当有修订时，也必须标明最新修订版的出版日期。

C. 每一页都必须标明原刊出版到修订的日期，修订时，也必须标明最新修订版的出版日期。