Movement of the center of gravity is proportional to the loads on the wings.

A. 液压系统包括将一定压力（包括泵、压力调节器、管路、阀门）的液压油输送到一个汇聚点（总管），再分配到用户系统的部件和组件。

B. 这些单位和组件在压力作用下将液压油输入到包括油泵、压力调节器，管路，活门等部位，最后到达一个公共地点，即分配阀，是为了再次分配到其他设定好的系统中。

C. 这些单位和组件将液压油输入到各个压力组件中，包括油泵、压力调节器，管路，活门等。后来液压油汇聚到一个通用点（分配阀），为了再分配到其他定义好的系统中。

A. 检查所有的部件和液力管路连接。

B. 检查所有的部件, 液力接头和连接管路。

C. 连接全部零件和液力管路。

A. Alternates for equipment may be listed under the same item number. For installations made up of a number of units which my be located at various places in the airplane, each unit should be listed separately.

B. Alternative equipment can be listed under the same item number. Multiple identical components installed in different locations of the aircraft should be listed uniformly.

C. Different equipment may be substituted for each other and listed under the same item number. Multiple identical units installed on different aircraft should be listed individually.

A. 基本控制和操作信息描述的是飞机部件的控制及工作的方式，包括任何特殊程序和适用的限制。

B. 飞机的基本控制和操作信息是关于飞机、部件是如何操作的，包括所有的特殊程序和适用的限制。

C. 飞机操作控制、部件的运作信息，以及其特殊程序和极限都在基本控制和操作信息中说明。

A. Find the fueling valve switch for the tank that will get the fuel you are scheduled to transfer.

B. Find the fueling valve switch for the tank that you are scheduled to transfer.

C. Find the fueling valve switch for the tank that need to transfer fuel.

A. Make sure the drain hose＇s open end is oriented in align with the structure.

B. Direct the open end of the drain hose away from the storage construction.

C. Ensure that the open end of the drain hose faces away from the structure.

A. Worn components should be replaced even if the damage is below the maximum limits.

B. Replace components that are worn beyond their maximum limits.

C. The maximum limits can not be exceeded when repairing the worn components.

A. Move the hose to make sure that the inner connection is stable.

B. Move the tube to ensure that the inner connection is loosen.

C. Move the tube to make sure that the inner connection is tight.

A. Discard the removed fasteners.

B. Throw away the removed components.

C. Leave out the removed gaskets.

A. For line maintenance carried out at a line station of an organization which is located outside the Community territory, the certifying staff may be qualified in accordance with the national aviation regulations of the State in which the line station is ba

B. For line maintenance organization located outside the Community territory, the certified staff may be qualified in accordance with the national aviation regulations of the State in which the line station is based.

C. For maintenance organization whose line station is located outside the Community territory, the releasing staff may be audited in accordance with the aviation regulations of the its State.