2470. Make sure that install the bearing correctly

A. The tank recirculating system lets the air in or out of the fuel tanks if necessary

B. The tank absorbing system lets the air in or out of the fuel tanks as necessary.

C. The tank venting system lets the air in or out of the fuel tanks as necessary.

A. When hydraulic is not available, the nose landing gear can be extended by maunual and extends by airloads and its own weight;

B. When hydraulic pressure is too low, the nose landing gear can be extended by maunual and extends by airloads and its own weight;

C. The nose landing gear can be extended by maunual and retracts by airloads and its own weight when hydraulic is not available;

A. 这盏灯不能点亮。

B. 这盏灯发出微弱的光。

C. 这盏灯的灯光逐渐微弱。

A. A fly-by-wire(FBW) system replaces manual flight control of an aircraft with an electronic interface.

B. For a fly-by-wire(FBW) system, the flight control of an aircraft is replaced with an electronic interface manually.

C. Regarding the fly-by-wire(FBW) system, the manual flight control of an aircraft is used rather than an electronic interface.

A. 凹坑没有伤及保护漆层。

B. 划痕没有穿透保护层。

C. 划痕没有贯穿保护膜。

A. 检查时间将根据一些问题进行调整

B. 针对严重问题将调整检査次数

C. 针对严重问理将延长检査时间

A. 不同的设计和复杂的型号使得飞机有一个重大的作用来决定特殊的失效是否更适合列举为“紧急”或“正常”程序。

B. 飞机的不同型号和机型的设计差异和复杂性,在决定某一特定故障是否更适合列为“紧急”程序或“异常”程序上发挥了重要的作用。

C. 各种型号的飞机的复杂设计差异很大程度能够决定特定失效是否能够更方便地列入“加急”或“反常”程序。

A. If one or more blades are broken, make an entry in the engine logbook

B. If one or more blades are in place, make an entry in the engine logbook

C. If one or more blades are absent, make an entry in the engine logbook

A. Only approved personnel must operate the brakes.

B. Only trained personnel must operate the brakes.

C. Only approved people must operate the brakes.

A. 在某些情况下,导线是以颜色编码的,这些情况向在接线图上标明。

B. 在某些情况下,导线的颜色是喷涂上去的,在线路图上标出了。

C. 在某些情况下,线路图上会标出以颜色区分的导线分布情况。