720、 Make sure that you remove all tools and equipment.

A. 　 Get a sample of hydraulic fluid、

B. 　 Scavenge the hydraulic fluid.
c、 Service the hydraulic reservoirs.

A. 　飞行数据记录器系统从飞机系统和传感器获得存储的飞机参数。

B. 　飞行数据记录系统给飞机系统和传感器提供并存储飞机指数。

C. 　飞行数据记录器系统从飞机系统和传感器获得并存储飞机参数。

A. 　 Generally, in describing the airplane or its system, third person wording should be used.(For example、 The
nose wheel is provided with a shimmy damper to keep the wheel from shimmying while rolling on the
ground.)

B. 　 In general, when describing the aircraft or its system, you should use third person such as there is shimmy
damper on the nose wheel in order to prevent the wheel shimmying and rolling on the ground.

C. 　 Generally speaking, third person should be used while describing the aircraft or their system. For example、
the nose wheel is available on the shimmy damper so as to shimmy or roll on the ground.

A. 　手册应随时修订,它们可以是活页形式,带有可接受的临时或永久性装订

B. 　手册应易与修订,它们可以是活页形式,带有耐用的线圈夹或永久性装订

C. 　手册应能够修订,它们可以是活页形式,带有通常的多环式或封面或永久性装订

A. 　 Data shall be managed as time, fuel and distance to climb from sea level versus outside air temperature,
altitude and weight

B. 　 Data shall be presented as time, fuel and distance to climb from sea level versus outside air temperature,
altitude and weight.

C. 　 Data shall be presented as time, fuel and distance to lift from sea level to outside air temperature, altitude
and weight.

A. 　 The procedures should give the address of the facility and time the program will be rechecked to find out if it is coherent enough for the type of maintenance being performed at the facility.

B. 　 The program shall be checked to decide if it is updated and sufficient for the type of maintenance being performed at the facility. The interval of the checks shall be stated in this procedure

C. 　 The program will not be performed at the facility if this procedure shows outdated and inadequacy information for the the type of maintenance.

A. 　扩孔(铰孔)至直径达到 8.00+/-0.003 毫米。

B. 　钻孔至半径达到 8.00+/-0.003 毫米。

C. 　钻孔至直径达到 8.00+/-0.003 微米。

A. 　 This example shows that we were only allowed to calculate the data applicable to Type B

B. 　 The data we are now calculating in this example apply only to Type B unit.

C. 　 The data used for the calculations in this example apply only to type B unit

A. 　 Nothing will happen during retraction if the upper drag strut is replaced correctly.

B. 　 lf you install the upper drag strut by mistake, it will break the lower drag strut during extension.

C. 　 Wrong installation of the upper drag strut will cause the hitting of the lower drag strut during retraction.

A. 　 Apply fuel to the steel surfaces.

B. 　 Apply oil to the alloy(合金) surfaces.

C. 　 Apply oil to the steel surfaces