Get a sample of fuel and do a test for water contamination.

A. 在航空器维修中，勤务指的是由于执行其他维护措施而需要进行的组件维护。包括给减震支柱充气或添加油液、润滑控制系统、饮用水系统消毒等。

B. 在航空器维修中，勤务指的是由于执行其他维护措施而需要进行的组件维护。包括给减震支柱充气或添加油液、为控制系统润滑、稳定便携式水系统等。

C. 在航空器维修中，勤务指的是由于执行其他维护措施而需要进行的组件维护。包括给减震支柱充气或添加油液、润滑控制系统、稳定饮用水系统等。

A. 排故信息要么通过故障排除图表显示，要么通过文本和补充图表的组合来显示。

B. 排故信息可以通过排故图表，也可以通过文本，或者文本和补充图表的组合来显示。

C. 文本和补充图表的组合可以用于显示故障排除信息。

A. If the airplane has not been tested for twirl characteristics and recovery methods, a discussion shall be included on the limited conditions for preventing spins and the possible best recovery techniques, and it shall be stated that no testing has been conducted and that the recovery techniques are based on the manufacturer＇s best comment.

B. If the airplane has not been tested for spin characteristics and recovery methods, a discussion of prevention of spins and probable best recovery techniques will be included with a notation that no tests were made and the recovery techniques are based on the best judgment of the manufacturer.

C. If the aircraft has not been expanded for spin features and recovery ways, prevention of spin and possible best recovery techniques are discussed and it is determined that no exams have been performed and that recovery techniques are based on the manufacturer＇s best judgment.

A. 如适用，该信息应包含在供应商出版物中。如果供应商数据已并入为飞机手册的一部分，则该信息同时包含在飞机维修手册中。

B. 这些信息包含在适用的供应商出版物中，并包含在飞机维护手册中，手册中也包括了部分相关的供应商数据。

C. 这类信息不仅包含在供应商出版物的适当位置，还包含在飞机维修手册中，同时部分供应商数据也合并入飞机手册中。

A. 数据应该被显示为仪表空速和指示空速来保证零误差。

B. 数据应作为标定空速呈现，而不是零机械误差的仪表空速。

C. 假定仪表误差为零，数据应以校正空速和指示空速显示。

A. 不同的设计和复杂的型号使得飞机有一个重大的作用来决定特殊的失效是否更适合列举为“紧急”或“正常”程序。

B. 飞机的不同型号和机型的设计差异和复杂性，在决定某一特定故障是否更适合列为“紧急”程序或“异常”程序上发挥了重要的作用。

C. 各种型号的飞机的复杂设计差异很大程度能够决定特定失效是否能够更方便地列入“加急”或“反常”程序。

A. Only representatives from ASD can join the group.

B. Representatives from countries that are not members of ASD are hardly to take part in the group.

C. Both representatives from ASD and from countries that are not members of ASD can join the group.

A. The temperature decreases - 0.00198°C per foot from sea level to the altitude at which the temperature is -56.5°C and zero above that altitude.

B. The temperature gradient from sea level to the altitude at which the temperature is -56.5°C is - 0.00198°C per foot and zero above that altitude.

C. The temperature drops 0.00198°C per foot from sea level to the altitude at which the temperature is -56.5°C and to zero above that altitude.

A. 确保夹钳的位置与您在拆卸过程中记录的位置一致。

B. 确保夹钳的位置与您在拆卸过程中的位置齐平。

C. 确保夹钳的方向与您在拆卸过程中的方向一致。

A. Emergency illumination refers to an individual and dependent subsystem which is used to provide lighting when the main electrical power fails.

B. Emergency lighting can provide illumination for an individual and independent subsystem in case of main electrical power failure.

C. Emergency lighting is the separate and independent subsystem used to provide illumination in case of primary electrical power failure.