1842. Other configurations include an in-line flow indicator which changes color to green in the presence of oxygen

A. 如果你发现了凹坑,做适用的维护程序

B. 如果你发现了划痕,做具体的修理工作

C. 如果你发现了裂痕,做适用的修理程序

A. Passenger reading lights at cabin rows 12A, 14C and 17AD does not come on.

B. Passenger reading lights at cabin rows 12A, 14C and 17AD do not illuminate.

C. Passenger reading lights at cabin rows 12A, 14C and 17AD is not on.

A. 这个反馈被连接到下游的二极管Q1。

B. 这个反馈被连接到上游的三极管Q1。

C. 这个反馈被连接到下游的三极管Q1。

A. Set the switch to on.

B. Move the switch to on.

C. Put the switch to on.

A. 检查零件是否损坏,然后拆下

B. 拆下零件,检查是否有损坏

C. 检查拆下的零件是否损坏

A. The secondary document containing the continued airworthiness procedure of an airplane is the airplane＇s maintenance manual.

B. The main document containing the procedures for the continued airworthiness of an airplane is the airplane＇s overhaul manual.

C. The primary document containing the procedures for the continued airworthiness of an airplane is the airplane＇s maintenance manual.

A. 每本手册都应有一份“飞机称重表格”,其中包括飞机剖面图,显示称重点的位置(使用顶升点或起落架)。

B. “飞机称重表格”应包含在每本手册中,其中包括飞机平面图,显示称重点相对基准线的位置(使用顶升点或底盘)。

C. 每本手册都应有一份“飞机称重表格”,其中包括飞机侧视图,显示称重点相对基准线的位置(使用顶升点或起落架)。

A. Entrance stairs or step are connected with entrance doors and move accordingly.

B. Entrance stairs or step are integrated with entrance doors and operate together.

C. Although entrance stairs or step operate together with entrance doors,they are not integrated.

A. Operate the dimmer switch and make sure that the intensity of the light changes.

B. Control the light knob to ensure that the light strength changes.

C. Turn the light regulator on to adjust the luminous intensity.

A. 时寿件指在机型设计文件或维护手册中规定了强制性更换时限的零件。

B. 时寿件指在机型设计文件或维护手册中规定了日常更换时限的零件。

C. 部件寿命指在机型设计文件或维护手册中规定的零件的强制性更换时限。