In the description of the airplane＇s Fuel System, crossfeed and fuel transfer (if appropriate) shall be explained.

A. If they fail, temporary damage can occur.

B. If they drop, permanent injury can occur.

C. If they fall, permanent damage can occur.

A. Make sure the text is not so abstruse and that it clearly shows how to do a task or how a system operates. Be practical. Do not give vague, general information.

B. Make sure the text is not abstract and that it clearly shows how to do a task or how a system operates. Be specific. Do not give vague, general information.

C. Make sure the text is not so theoretical that it clearly shows how to do a task or how a system operates. Be concrete. Do not give unclear, general information.

A. 为了通用航空的飞机子系统，第10和20段可以结合。

B. 对于通用航空飞机子系统，第10和第20部分可以合并。

C. 查找通用航空飞机子系统，第10和20章可以结合参照。

A. Write instructions in the infinite form.

B. Write instructions in the command form.

C. Write instructions in the appropriate form.

A. 排气系统指将发动机燃气排出机外的组件和部件。

B. 排气系统指将发动机引气导入机身的装置和组件。

C. 引气系统指将发动机废气导出机外的装置和组件。

A. 拆下并且标识预处理的包装。

B. 拆下并且丢弃预处理的组件。

C. 拆下并且丢弃预成型的封圈。

A. 更换零件的话，要持续处于低气压状态。

B. 如果持续处于低气压状态，就需要维修零件。

C. 如果低压状态持续，则更换组件。

A. The gage must be lubricated before doing a check.

B. Do a check with an adjusted gage.

C. The gage is used to do calibration during a check.

A. 本节中包含的异常应由手册编写者确定。

B. 手册的起草者可以将异常情况编入此章节。

C. 手册的生产商可以根据异常情况决定是否将其编入此章节。

A. Always keep the brightness control on the LCD display at maximum.

B. Always keep the brightness knob of the LCD monitor set to its maximum dimness position.

C. Always adjust the test knob of the LCD monitor set to maximum brightness position.