Do an overhaul of the No. 2 engine.

A. 压力传感器安装在关断活门的下游。

B. 压力衰减器安装在关断活门的上游。

C. 压力传感器安装在隔离活门的下游。

A. 对退漆后的表面的修理必须是面积小于100平方英寸（645平方厘米），如果超过这一面积，则必须得到额外批准。

B. 对于分层的表面修理，面积不得超过100平方英寸（645平方厘米）。如果超出，你必须做部分更换。

C. 装饰面的修补面积必须小于100平方英寸（645平方厘米），如果超过这一面积，则必须更换该部件。

A. 飞行数据记录器系统从飞机系统和传感器获得存储的飞机参数。

B. 飞行数据记录系统给飞机系统和传感器提供并存储飞机指数。

C. 飞行数据记录器系统从飞机系统和传感器获得并存储飞机参数。

A. 这个程序包括拆卸恒速驱动装置（CSD）的说明。

B. 此程序包括删除恒速驱动装置（CSD）的指令。

C. 这个程序包括指令来去除恒速驱动装置（CSD）。

A. If necessary, prepare a gasket.

B. If necessary, add a pin.

C. Add a washer if necessary.

A. Every maintenance item has to obey a procedure.

B. Follow the procedure to do the repair.

C. For every repair, there is a procedure for us to follow.

A. 对于标准和选装的发动机和螺旋桨装置以及燃油和滑油系统，应提供描述性数据。

B. 参考数据应包括标准和可用发动机和螺旋桨设备以及燃油和滑油系统。

C. 系统数据必须涵盖常规和可用发动机和螺旋桨装置以及燃油和润滑油系统。

A. The Federal Aviation Regulations require "maximum continuous power" to be used during airframe and engine combination certification to show obedience with certain criteria.

B. Federal aviation regulations require "maximum continuing power" to be used during the certifying of the airframe and engine to meet certain criteria.

C. Federal aviation regulations, in combination of airframe and engine certification process, the use of "maximum continuous power", are used to show compliance with certain standards.

A. Indicating is that portion of the system which is used to indicate temperature, pressure, control positions, etc. of the air systems. Includes items such as transmitters, indicators, etc.

B. Indicators are systems used to display air temperature, pressure, control position, etc. It includes switches, thermometers and other components.

C. Indication system is used to indicate atmospheric temperature, pressure, control position, etc. It includes crossfeeding system, thermometer and other components.

A. Take care to the absence of leakage during the execution of each step in the valve test.

B. Throughout the valve test, verify that there are no obvious signs of leakage at each step.

C. Make certain that no leakage is present as you proceed with each step of the valve test.