If there is an indication of a leak, replace the valve.

A. 使用探针检查管子以找出堵塞物。

B. 检查探头以确定是否堵塞。

C. 仔细检查管道以清除堵塞。

A. 需要注意警告信息和限制条件，例如起落架和控制舵面锁的使用、最小转弯角度、前起落架最大牵引和推动负载等。

B. 需要注意相关预防措施和限制信息，例如起落架和控制舵面锁、最小转弯半径、前起落架最大有效推拖载荷等的使用。

C. 需要注意相关预防措施和限制信息，例如起落架和控制舵面锁的使用、最小转弯半径、前起落架最大推拖负载等。

A. The power is transmitted from the propeller to the engine.

B. The engine is used to transmit power to the propeller shaft.

C. The power is transmitted to the shaft by the engine cable.

A. It is permitted to show the legends within the diagram instead of listing at the bottom or on an adjacent page by the abbreviation number.

B. Legends shall be explained in a simple way within the diagram at the bottom or on an adjacent page except for abbreviation with numbers in a list.

C. If the space is enough, the legends shall be stated within the diagram and do not list them by numerical abbreviations at the bottom or on an adjacent page.

A. 腐蚀检查非常难确定，但是，根据CAP给出的检查要求，完成检查的时限将根据发现问题的多少调整。

B. 确定腐蚀的影响是非常困难的，但当收到CAP检查报告时，对于任何严重的问题要调整检查次数。

C. 影响腐蚀检查的因素非常复杂，因此，按照CAP报告检查要求，检查时间将根据问题的严重性进行调整。

A. Total number of rules is decreased from 65 to 53.

B. Total number of rules ascended from 65 to 53.

C. Total number of rules increased from 65 to 53.

A. There are only four kinds of fasteners.

B. Fasteners is generally divided into four types.

C. We classify the fasteners through four dimensions in general.

A. According to Boeing Docs and associated ADs, changing the dimension of the thrust reverser upper locking actuator lock sensor target can result in slow detection of the failure or undetected failure.

B. Based on the Boeing Docs and the associated ADs, if the size of the thrust reverser upper locking actuator lock sensor target is increased, it may result in delayed or undetected the actuator failure.

C. As described in Boeing Docs and the associated ADs, if the orientation of the locking actuator on the thrust reverser locking sensor target changes, the actuator failure will be delayed or undetected.

A. This is the portion of the systems used to generate, regulate, control, and indicate AC electrical power.

B. Here is that portion of the systems used to generate, regulate, control, and indicate AC electronic power.

C. That is the portion of the systems used to generate, increase, control, and indicate AC electrical power.

A. 门是由基础复合材料增强塑料制成的。

B. 门是由碳纤维复合塑料制成的。

C. 门是由碳纤维增强塑料制成的。