确保客舱压力外流活门打开。

A. If liquid spills in the kitchen, all traces of the liquid must be cleaned promptly and the concerned area must be completely dry.

B. If liquids are spilled inside the galley, you must remove all signs of liquid and fully dry the areas of contamination immediately.

C. If liquid spills in the galley, all marks of the liquid must be removed at once and the polluted area must be completely dried.

A. 方向舵用于偏航控制，就是控制飞机绕立轴的运动。

B. 方向舵用于横滚控制，就是控制飞机绕横轴的运动。

C. 方向舵用于俯仰控制，就是控制飞机绕纵轴的运动。

A. That portion of the system is used to perform the cranking portion of the starting operation.

B. That portion of the system is used to perform the igniting portion of the starting operation.

C. That portion of the system is used to perform the cranking portion of the igniting operation.

A. “非计划性勤务”包括对于停放的飞机进行除冰除雪、在过长时间的停车后对星型发动机进行预先润滑等方面的说明。

B. “非计划性勤务”包括对于停放的飞机进行除冰除雪、在长时间停车后对活塞发动机进行预先润滑等方面的说明。

C. “非计划性勤务”包括对于停放的飞机进行除冰除雪、在过长时间的停车后对活塞发动机进行润滑等方面的说明。

A. 本节必须规定型号合格证所要求的每一次强制更换时间，结构检查间隔，以及相关的结构检查程序。

B. 本节必须规定每一次强制更换时间，结构检查间隔，和机型证书所要求的相关的结构检查程序。

C. 本节必须规定部件更换的时间，结构检查时间，和相关的结构检查程序所需的型号合格证。

A. The portion of the system is used to eliminate or prevent the formation of ice on all airfoil surfaces, including wings and airfoil sections of the empennage.

B. The portion of the system is used to dispel or get rid of ice gathering on some aircraft surfaces, including wings and empennage surfaces.

C. The portion of the system is used to eliminate or forbid ice forming on outside parts of all airfoils, including the airfoils of wings and empennage.

A. 一台发动机可以为所有系统供电。

B. 一台发电机可以为所有系统供电。

C. 一台动力装置可以为所有系统供电。

A. Adjust the frequency to the value giving in table 1.

B. Adjust the frequency per the value given in table 1.

C. Adjust the frequency to the value given in table 1.

A. Apply three layers of coating.

B. Apply three layers of primer.

C. Apply three layers of bottom primer.

A. 此说明帮助您找到相关的适用STE规则和不同特定主题。

B. 此索引帮助您找到与不同特定主题相关的适用STE规则。

C. 此指数可以帮助您找到不同于特定主题相关的适用STE规则。