The bottom mark on the board is red.

A. 那些机载动力装置被安装在飞机上，用于产生并提供单一类型或组合的辅助电力、液压、气源或其他动力。

B. 那些空气动力的发动机被安装在飞机上来运行并提供一类或多类的辅助电力、液压、气源或其他动力。

C. 那些利用空气产生动力的装置装在飞机上来获得和补充单一或多个备用电源、液压源、气源或其他动力。

A. 把调查结果写在改进表上。

B. 把试验结果写在测试表上。

C. 把校准结果写在校正表上。

A. During the system test, the PSU nitrogen mask doors will open and the nitrogen masks will appear in the nitrogen box if the door test stop or the tapes are not installed.

B. If the door test stop or the masking tape is not installed, the doors of the PSU oxygen box will open and the oxygen mask will remain in the original position.

C. The PSU oxygen box doors will open and the oxygen masks will go out of the oxygen boxes during the functional test if you do not install the door test stop or the masking tape.

A. A hydraulic pump operates the motor.

B. A fuel pump operates the motor.

C. A hydraulic motor operates the pump.

A. If you must apply a strike to open the unit, examine the control linkage.

B. If you must apply an unusual force to open the unit, examine the turnbuckle.

C. If you must apply an unusual force to open the unit, examine the control linkage.

A. 如果有损伤报告，要进行检查。

B. 检查后发现有损伤。

C. 如有损伤迹象，进行检查。

A. The responsibility of ABC is not to modify the airplanes that belong to STC.

B. It is not STC＇s responsibility to modify ABC＇s aircraft.

C. ABC is not in charge of the aircraft modified by STC.

A. 将线路穿过线槽顶部。

B. 将天线穿过基座顶部。

C. 将天线穿过插槽顶部。

A. Some service reports were used to select items that are similar in application design and downloading to do the check.

B. Some sevice reports are used to select items that are similar in application, design and loading to do the inspection.

C. In order to do the inspection, some service reports used to choose programs similar in apply, design and loading.

A. During the operation, please be careful not to pierce the hydraulic oil tank.

B. During the operation, pay attention not to punch the hydraulic reservoir.

C. During the procedure, take care not to puncture the hydraulic reservoir.