These devices are used to stabilize the aircraft while on the ground and prevent damage by ground contact. Includes items such as shock strut, skid blocks, wheels, etc.

A. Make sure that you quarantine the removed insulation material.

B. Make sure that you recycle the removed insulation material.

C. Make sure that you quarantine the removed composite material.

A. 对仅使用涡轮驱动的飞机，应提供对动力装置部件的温度和高度限制的说明。

B. 仅针对以涡轮螺旋桨为动力的飞机，应提供动力装置部件和发动机流体的标定温度和相应的高度限制。

C. 对涡轮增压的飞机，要提供其动力装置部件和发动机液体的说明。

A. Vigorously scrub the surface with a rough, dry cloth.

B. Polish the surface with a soft, damp cloth.

C. Rub the surface quickly with a soft, dry cloth.

A. 如果读者必须了解某个额外要求才能执行工作程序和步骤，先给出这个要求。

B. 如果读者在执行某个工序或工作步骤之前必须了解某个具体情况，则首先说明这个具体情况。

C. 读者在执行程序或工作步骤之前是否必须知道哪些特定条件，需要先明示。

A. 除了适用的飞机模型或部件外，“适用性”声明还可能以注释形式包含特殊信息，如排除或添加。

B. 除了适用的飞机型号或部件外，“适用性”声明还可能包含特殊信息，如不适用或增加的内容，以注释的形式出现。

C. 除适用的飞机型号或部件外，“适用范围”部分还可以以“注”的形式给出特殊信息，如除外或增补信息等。

A. That portion of the system is used to control the direction of movement of the aircraft off the ground, including items such as shock strut, controls, bogie swivel unlock, etc.

B. That portion of the system is used to control the direction of movement of the aircraft on the ground, including items such as skid blocks, controls, bogie swivel unlock, etc.

C. That portion of the system is used to control the direction of movement of the aircraft on the ground, including items such as actuating cylinders, controls, bogie swivel unlock, etc.

A. The forward movement of the control lever must be slow and continuous.

B. The control lever must be kept moving forward slowly and abruptly.

C. You must continuously slow down the forward movement of the control lever .

A. 副翼回到中立位后，确保其与襟翼齐平。

B. 扰流板回到原位后，保证和襟翼对齐。

C. 在副翼返回中心之后，保证它们和襟翼相连。

A. The power source that are discussed respectively under the appropriate chapter heading shall provide power to at least two systems.

B. When two or more systems are served by a single power source, that power source will be discussed separately under the appropriate chapter heading.

C. The system that is powered by two or more power sources shall be discussed separately under the appropriate chapter heading.

A. Make sure that the coils of the oxygen hose do not rub together.

B. It is acceptable the coils of the chlorine hose rub together.

C. Ensure that the coils of the nitrogen hose do not rub together.