Longitudinal trim is accomplished by movement of the horizontal stabilizer.

A. 在两个垫圈之间安装间隔装置。

B. 在两个清洗器之间安装垫片。

C. 在两个垫圈之间安装垫片。

A. Those fixed and portable units and components detect and indicate fire or smoke, and store and distribute fire extinguishing agent to all protected areas of the aircraft.

B. Those stationary and portable devices and components find and show fire or smoke, and store and release fire extinguishing agent to all aircraft protected areas.

C. Those fixed and portable units and assemblies monitor and warn fire or smoke, and then reserve and distribute extinguishant to all protected areas of the aircraft.

A. Exterior Placards and Markings are required for ground servicing instructions, inspections, cautions, warnings.

B. Exterior Labels and Markings are required for ground servicing instructions, inspections, cautions, warnings.

C. Exterior Placards and Markings are required for ground servicing instructions, inspections, warnings, cautions.

A. Hoist the outflow valve toggle switch in the OPEN position until the outflow valve position indicator shows FULL OPEN.

B. Hoist the outflow valve trigger switch in the OPEN position until the outflow valve position indicator shows FULL OPEN.

C. Hold the outflow valve toggle switch in the OPEN position until the outflow valve position indicator shows FULL OPEN.

A. Warning is an operating procedure, inspection , repair or maintenance practice , which if not correctly followed, could result in personal injury , or loss of life.

B. You should obey the warning in an operation procedure, check, repair or maintenance practice, otherwise person injury or death will happen.

C. Warning in an operation procedure, inspection , repair or maintenance practice should be followed seriously, whereas may involve in personal injury , or loss of life .

A. 本文件中的任何零件没有出版商的许可不得复制。

B. 本文件中没有任何一个部分是没有得到出版商书面许可的。

C. 未经出版商书面许可， 本文件任何部分不得以任何形式复制。

A. 禁止使用替代器材。

B. 使用消耗器材是允许的。

C. 允许使用替代材料。

A. 获取一桶燃油，并做一项含水量测试。

B. 取一份燃油样品，并进行一项水污染测试。

C. 获取一份燃油资料，并分析水含量。

A. 定义措辞应尽可能简单，并必须符合手册中所定义的术语的使用。

B. 定义应尽可能简单地被记录，且必须保证手册中已定义术语的使用。

C. 定义应尽可能用词简单，且必须强制使用手册中规定的术语。

A. 动物的排放物的热量比人类高，因此飞机上更有可能聚集潮气。

B. 动物会比人类产生更多热量，因此飞机上更有可能集聚潮气。

C. 动物产生的热量比人类高，因此飞机上累积的潮湿度可能更高。