2493. DE-ENERGIZE THE AC AND DC BUSBARS

A. 松开卡箍,将螺钉固定到支架上

B. 松开螺钉,将卡箍固定到支架上。

C. 松开将卡箍固定到支架上的螺钉。

A. That portion of the system used to record crew member communication.

B. That portion of the system used to record crew member command.

C. That portion of the system used to record crew member conversation.

A. Retract the ram air turbine manually.

B. A The ram air turbine can be pushed to the retracted position manually.

C. Push the ram air turbine with your hands in the direction that the turbine retracted.

A. This method will help you during the subsequent assembly procedures;

B. This method will help you after the subsequent assembly procedures;

C. This method will help you with the subsequent assembly procedures;

A. 在这些情况下,俯仰的机械配平和电配平系统都将不工作。

B. 当出现以下这些情况,俯仰的机械配平和电配平系统都将继续工作。

C. 在这些估况下,电配平系统都将继续工作,俯仰的机械配平不再工作。

A. Make an enter in the logbook to show that you did the deactivation procedure.

B. Make an entry in the logbook to show that you did the deactivation procedure.

C. Make an entrance in the logbook to show that you did the activation procedure.

A. Check three licenses (Nationality Registration Certificate, Radio Operator＇s License,Airworthiness Certificate) are in place, good condition and effective.

B. Check three licenses (Airworthiness Certificate, Nationality Registration Certificate, Radio Operator＇s License) are in place, good condition and effective.

C. Check three licenses (Radio Operator＇s License,Airworthiness Certificate, Nationality Registration Certificate) are in place, good condition and effective.

A. 主起落架轮舱空间宽度

B. 主起落架收放宽度

C. 主起落架轮距

A. 不正确调整升降舵脚蹬上的止动螺栓可能导致损坏。

B. 不正确调整方向舵踏板的止动螺栓可能导致损坏。

C. 不正确调整方向舵脚蹬上的止动螺栓可能导致损伤。

A. 工作在这个区域需使用护目镜

B. 工作在这个区域需使用防护服

C. 工作在这个区域需使用呼吸设备