Make sure that the warning light comes on in less than 3 seconds.

A. 给装有泵的系统B提供液压。

B. 给系统B和泵提供液压。

C. 用泵给系统B提供液压。

A. The portion of the system is used to eliminate or prevent ice forming in air exhaust surroundings, including air flow anti-icing on the power plant.

B. The portion of the system is used to get rid of or facilitate the gathering of ice in or around air intakes, including power plant protector ice control.

C. The portion of the system is used to eliminate or prevent the formation of ice in or around air intakes, including power plant cowling anti-icing.

A. 小心确认管路尽可能靠近探头支架的面板而不要碰到探头。

B. 小心确认接头尽可能靠近面板的天线支架而不要碰到天线。

C. 小心确认探头尽可能靠近面板的天线支架而不要碰到天线。

A. 交流发电系统包括变流器、交流发电机、控制和调节组件， 指示系统，连到主汇流条的导线，但主汇流条不包括在内。

B. 交流发电系统包括变流器、交流发电机、控制和调节组件， 指示系统，连到上述部件的导线，但主汇流条不包括在内。

C. 交流发电系统包括整流器、交流发电机、控制和调节组件， 指示系统，连到上述部件的导线，但主汇流条不包括在内。

A. 特殊尺寸应显示在图形中。

B. 详细尺寸应显示在图纸上。

C. 主要尺寸应显示在图纸上。

A. This procedure is only void in digital mode.

B. This procedure is only valid in digital mode.

C. This procedure is only ineffective in digital mode.

A. Structural fasteners are not included in the normal maintenance items, they are provided separately in the maintenance information.

B. Structural fasteners do not belong to normal maintenance items, so the maintenance information does not include this part of the content.

C. Some structural fasteners can be repaired during normal maintenance, so the maintenance information includes the corresponding content.

A. Airline performance data shall be presented in either graphical or tabular formats.

B. Airplane performance data shall be presented in either graphical or tabular formats.

C. Airplane restriction data shall be presented in either graphical or tabular shapes.

A. 确定故障原因需要排除故障程序。

B. 执行故障排除程序以找出故障原因。

C. 根据故障排除程序，排除故障影响。

A. Make sure that there is supplied airflow in the work area.

B. Make sure that there is sufficient airflow in the work area.

C. Make sure that there is efficient airflow in the work area.