2851.Airbus recommends that you use jacks and a safety stay with a capacity of more than the maximum load that is permitted at the fittings.

A. 关闭流量控制和空调组件的关断活门。

B. 关闭空调组件的流量控制和关断活门。

C. 至于空调组件,关闭流量控制和关断活门。

A. If there is a available service bulletin to correct the problem of moisture ingress into the connector cavity,the letter then will be useless.

B. Refer to this letter tohelp mitigate moisture ingress into the connector cavity even if there is a available servicebulletin to correct the problem.

C. If there is a available service bulletin to correct the problem that moisture ingress into the connector cavity,the letter then will provide procedures .

A. 描述飞机地面控制时,应描述飞行员如何通过机械方式控制前轮或后轮。

B. 描述地面操作时,应描述飞行员如何机械地操作前轮或后轮。

C. 描述地面操纵时,应描述飞行员如何机械操纵鼻轮或后轮。

A. 每一页的下方应该添加页面编号和分发或改版日期。

B. 每一页的底部应该具有页码和发布或修订日期。

C. 每一页应该在末行加粗页码和印刷或更新的日期。

A. A maximum distance of 50 feet is required between consumable materials and the work area.

B. Keep flammable materials at a minimum distance of 50 feet from the work area.

C. Explosive materials must be kept at least 50 feet away from the work area.

A. If the cable twists,disconnect the two connectors.

B. If the wire bents,break the two connectors.

C. If the cable wire breaks,disconnect both ends of the connectors.

A. 不要加注过量燃油。

B. 不要使用未知性能的燃油。

C. 不要使用性能未知的油液。

A. 调整传动杆的长度,以便于正确安装校装销。

B. 如果安装传动杆不方便,调节销的可靠性水平。

C. 如果无法轻易地安装定位销,调整连杆长度。

A. Remove the middle bellcrank unit.

B. Remove the moderate dualcrank unit.

C. Remove the middle doublecrank unit.

A. 描述飞机起落架时,应描述减震系统。

B. 描述飞机起落架时,应描述放重装系统。

C. 描述飞机起落架时,应描述冲击避免系统。