557. There is not too much wear of the rollers or signs of grooves on the flap track

A. 隔合室是一个圆柱形风管组件,由外部防护罩和内部套筒组成

B. 混合室是由外部防护罩和内部套筒组成的圆柱形管路组件

C. 隔合室是一个圆柱形风管组件,包括外部防护罩和内部套筒

A. The condition of the radome is very important for its performance.

B. The condition of the antenna influences its properties greatly.

C. The condition of the radar has an important effect on its characteristics.

A. 当控制手柄到DN位时,齿轮箱壳体会打开,齿轮松开并退出,壳体关闭。

B. 当控制手柄处于DN位置时,起落架舱门会打开,起落架解锁并伸出,然后舱门关闭。

C. 将控制手柄推到DN位置时,货舱门将打开,传动装置解锁可用,收回后则关闭。

A. Includes items such as nose ring cowls, scoops, compressor fan cowls, buried engine ducts, vortex generators, actuators, control handles, cables, plumbing, linkages, doors, warning systems, position indicators, etc.

B. Includes i terns such as nose ring cowls, scoops, compressor, buried engine ducts, vortex generators, actuators, control handles, cables, plumbing, linkages, doors, waring systems, position indicators, etc.

C. Includes items such as nose ring cowls, scoops, compressor fan cowls, buried engine ducts, vortex generators, actuators, control handles, cables, plumbing, linkages, doors, warning systems, position indicators.

A. 通过最少两个全循环操作副翼,并操作至其最大行程

B. 至少完整操作副翼两个全循环至其最大行程

C. 操作副翼最小两个单位,至其最大行程

A. Make sure that you replace all tools and equipment.

B. Make sense that you reinstall all tools and equipment.

C. Make sure that you remove all tools and equipment.

A. 使倒角的表面粗糙

B. 使倒角的表面光滑

C. 使舵面的倒角光滑

A. Such wires and cables should be disable of being coupled to the ground network of the aircraft electrical system

B. These wires and cables are capable to be connected to the aircraft electrical system ground network.

C. The connected wires and cables shall be attached to the ground network of the aircraft electrical system.

A. shock absorbers is oleo-pneumatic

B. shock absorbers is hydraulic-pneumatic

C. shock absorbers is oil-air

A. 标准化将可以通过对检验标准的一致性要求,使持续适航方案中规定的安全标准得到提高。

B. 标准化是通过统一解释持续性适航方案中的检查要求,达到本规范的检验标准。

C. 标准化将提升安全性,通过统一解读持续性适航方案中所包含的、依照本规范制定的检验要求实现。