时钟通过CLOCK跳开关从28伏直流热电瓶汇流条中获取电源。

A. 降低氮气压力至120 磅/平方英寸。

B. 减小氮气压力120 磅/平方英尺。

C. 把氮气压力减小120 磅/平方英尺。

A. 维修这个组件需要校准过的工具。

B. 安装这个组件需要专用工具。

C. 组件的安装需要精确的工具。

A. If there is not a conflict between the two indicators, repeat the test.

B. If the two indications are different, do the test again.

C. Do the test again unless the two indications are different.

A. 此外， 申请必须包括一个检查方法，该方法包括必要的检查频次和检查范围并提供给飞机持续适航部门。

B. 此外， 申请方必须有一个检查方案，该方案包括为保证飞机持续适航所需要的检查频次和检查程度。

C. 此外， 申请方必须有一个检查目标，包括检查频次和检查内容，必须保障飞机的持续适航。

A. During inspection, if the nuts and washers are removed, recheck them.

B. Take a good place for the nuts and washers removed during inspection.

C. If nuts and washers are removed during inspection, install the new ones.

A. The operation procedure requires that the maintenance behavior be logically executable.

B. The logical maintenance steps or operating procedures constitute the maintenance procedures.

C. Break down maintenance activities into logical steps or operations as required by procedures.

A. If design appraisals by a DER is beyond his normal apprvoal, each appraisal can only be authorized by the known ACO according to current condition.

B. Design approvals by a DER that are outside his normal authorization may only be authorized by the cognizant ACO on a case by case basis.

C. The familiar ACO can approve each designation approval one one one according to condition if designation approval by a DER is outside his normal range.

A. In order to correctly connect the parts together, you have to put weight on the panel surface.

B. Apply weight on the surface of the patch to make sure that the parts bond correctly.

C. To make sure the parts are engaged properly, you should pressurize the plate surface.

A. 中心句是一篇文章的第一句，也是最重要的一句。

B. 总结句是一节内容的第一句，也是最重要的一句。

C. 主题句是一段话的第一句，也是最重要的一句。

A. If the rush air turbine has been extracted.

B. If the Ram Air Turbine (RAT) is retracted.

C. If the pushed air turbin has been extended.