Existing analyses were reviewed to identify components and areas that may have exhibited lower margins of safety.

A. 在程序中，提供简短，清晰的指令并且直接向读者讲话。

B. 在程序中给出简短，清晰的指令，直接向读者陈述。

C. 在程序执行中，要向读者直接发话，给出简短清晰的指令。

A. Emergency Lighting is a independent subsystem used to provide illumination in case of primary electrical power failure.

B. Urgency Lights that supply the lights when the major electronic power fails is a separate subsystem.

C. Ambulance Lights is used to supply lights if the main electrical sources malfunctions as an independent subsystem.

A. 一些类型的飞机（如涡轮螺旋桨飞机）在确定VMCA时，可能受自动螺旋桨桨矩控制装置的影响，因飞机在降低发动机功率模拟一发失效时遇到的阻力要比实际一发失效时遇到的阻力更大。

B. 某些类型的飞机（例如涡轮螺旋桨驱动的）可以用自动螺旋桨桨距控制装置来确定VMCA，该装置可能比不工作的发动机具有更大的阻力，以模拟发动机故障。

C. 一些类型的飞机（如涡轮螺旋桨飞机）可能有自动螺旋桨间距控制装置确定的VMCA，与不工作的发动机相比，在模拟发动机故障降低功率运行时发动机可能有更大的阻力。

A. 系统示意图应包括被视为流程起点的发电机、油箱和液压油箱等。部件的布置应使系统的流程追踪起来最不费力。尽量避免纵横交错。

B. 系统流程图应包括发电机、油箱或液压油箱等。示意图的布局应使部件追踪毫不费力。尽量避免管道交叉。

C. 系统流程图应以发电机、油箱或液压油箱等作为流程起点。示意图的布局应使对流程分析毫不费力。尽量避免线路交叉。

A. These airworthiness directives provide detailed information about continued airworthiness requirements for the manufacturer and owner/operator.

B. These service bulletins provide detailed information regarding continued airworthiness requirements for the manufacturer and owner/operator.

C. These advisory circulars provide specific information regarding continued airworthiness requirements for the manufacturer and owner/operator.

A. 确保拉力连杆不会卡住起落架。

B. 确保阻力支柱不会遮蔽起落架。

C. 确保阻力撑杆不会阻碍起落架。

A. 放出适量燃油。

B. 注入大量的滑油。

C. 加入所需量的滑油。

A. When the indicator is visible, stop the pump.

B. When the indicator comes on , stop the pump.

C. Stop the pump unless the indicator comes into view.

A. Landing gear position has no effect on stall speeds.

B. The position of the landing gear doesn＇t influence the surging speed.

C. The idle speed is not effected by the landing gear position.

A. Use a filter to remove unwanted material from the oil.

B. Use a valve to remove unwanted material from the gas.

C. Use a filter to remove unwanted material from the fluid.