19.The Introduction Section of the Maintenance Manual should contain either a list of vendor publications or refer to the location of such lists whether they are included in system descriptions or provided in separate documents.

A. 　Loosen and remove nut with wrench.

B. 　Tighten and torque nut with spanner.

C. 　Remove and replace nut with wrench.

A. 　Within night operation,make sure the panel lights are dim.

B. 　During night operation,make sure the panel lights are bright

C. 　During night operation,make sure the panel lights are dim

A. 　建议执行人工修理。

B. 　给出人工修理的建议。

C. 　建议遵循修理手册执行工作。

A. 　The airflow then goes along the above and bottom surfaces of the aileron.

B. 　The air value then goes through the cover and bottom surfaces of the flank.

C. 　The airflow then goes along the top and bottom surfaces of the slats.

A. 　检查时间将根据一些问题进行调整。

B. 　针对严重问题将调整检査次数。

C. 　针对严重问理将延长检査时间。

A. 　关于跳开关的位置,参阅线路清单

B. 　关于电门的位置,参阅线路清单。

A. 　If the engine appears to be heating,turn it off.

B. 　If the engine appears to be overheating,turn it off.

C. 　If you think the engine is too hot,turn the switch to”off”＇.

A. 　从冷冻室里取出来之后,铆钉必须在 15 分钟内完成装配。

B. 　从冷冻室里取出来之后,铆钉必须在 15 分钟以后才能装配。

C. 　从冷冻室里取出来 15 分钟之内不可装配。

A. 　压力管分布在另一个方向上。

B. 　压力管分布在相同的方向。

C. 　压力管分布在不同的方向。

A. 　It is standard to do the procedure in this service bulletin.

B. 　It is necessary to do the procedure in this service bulletin.

C. It is mandatory to do the procedure in this service bulletin.