The localizer signals are processed by the transceiver and data are transmitted to Air Traffic Control.

A. 描述飞机螺旋桨时，如果合适，应阐述正桨、反桨和反转。

B. 描述飞机螺旋桨时，如适用，应描述顺桨、解除顺桨和反桨相关信息。

C. 描述飞机螺旋桨时，如果合适，应讨论顺桨、不反桨和反推。

A. 21章指随飞机提供的供应商数据，以填充以下 -00 至 70 节（如适用）。

B. 21章可参考随飞机提供的供应商数据，来填充以下 -00 至 70 节（如适用）。

C. 21章可以指随飞机提供的供应商数据，按照从-00 至 70 节的顺序（如适用）。

A. 授权人员必须仅操作刹车。

B. 务必仅由授权人员操作刹车。

C. 授权人员只能按要求操作刹车。

A. Check valve, that allows fluid blows in one direction completely but blocks all flow in the other direction, is a pneumatic or hydraulic system component.

B. Oneway valve is a hydro or gaseous system component that allows fluid flows in one direction freely but blocks all flow in the opposite direction.

C. Check valve is a hydraulic or pneumatic system component that allows full flow of fluid in one direction but blocks all flow in the opposite direction.

A. It is understood that compliance with the above can in some instances cause duplication of test procedures, which is acceptable.

B. It will lead to repeat the test process when you obey the regulations in some cases, it is barely to be accepted.

C. It is understood that follow the above regulations may cause repeating in the test procedures , although it is allowable.

A. A pilot with certification authorized by Part 43 of the regulation can perform limited preventive maintenance.

B. According to Part 43 of the regulation, A pilot is certificated to perform limited preventative maintenance.

C. A certificated pilot is authorized by Part 43 of the regulation to perform limited preventive maintenance.

A. Crucial angle of attack is the angle at which a stream or air flow begins to split from a surface,causing a decrease in efficiency. It is important for designing dynamic surfaces ,such as airplane wings,turbine blades,as it determines the maximum attack angle that can be achieved without causing loss of lift or thrust.

B. Crutial angle of attack is the angle at which a stream or air flow begins to seperate from a surface,causing a decrease in efficiency. It is important for designing aerodynamic surfaces ,such as airplane airfoils,turbine blades,as it determines the maximum attack angle that can be achieved without causing loss of lift or thrust.

C. Critical angle of attack is the angle at which a fluid or air flow begins to separate from a surface, causing a reduction in the efficiency of the flow. The critical attack angle is an important consideration in the design of aerodynamic surfaces, such as airplane wings, turbine blades, as it determines the maximum angle of attack that can be achieved without causing a loss of lift or propulsion.

A. 延迟紧急情况的一个例子就是一个起落架对正常的起落架开关不响应，而动力装置或其它系统不存在其它故障。

B. 延迟紧急情况的一个例子就是起落架不正确响应正常的起落架开关动作，当没有其它故障在动力装置或其它系统中。

C. 紧急情况可以延迟处理的一个例子是，起落架无法对正常的电门选择做出正确响应，但动力装置或其他系统不存在其他故障。

A. Clamps should be spaced at intervals not exceeding 24 inches. Clamps on wire bundles should be selected so that they have a snug fit without pinching wires.

B. Pins should be spaced at intervals not exceeding 24 inches. Pins on harness should be selected so that they have a snug fit without pinching wires.

C. Pins should be spaced at intervals not exceeding 24 inches. Pins on harness should be selected so that they have a snug fit without scratching wires.

A. 安全地取下标签并闭合这个跳开关。

B. 取下安全标签和闭合的跳开关。

C. 取下安全标签并闭合跳开关。