The removal/installation portion shall state clearly the sequence of steps required to remove and reinstall a component or unit, along with precautions to be observed.

A. Do not extend or retract landing gear above this speed.

B. Do not lower or retract landing gear exceed this speed.

C. Do not lower or lift landing gear within this speed.

A. 异常程序部分在开始时应包括一份有关操作顺序的检查单，说明顺序对安全至关重要。

B. 异常程序部分应包括一份在开始操作时检查单，这样编写的顺序对飞行安全至关重要。

C. 当顺序对安全至关重要时，异常程序部分在开始时应包括一份有关操作顺序的检查单。

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. 告诉一个人撤除轮挡。

B. 告诉A撤除轮挡。

C. 告诉一个人去拆卸机轮。

A. 除非符合持续适航检查大纲5340-04的要求，否则不要拆下燕尾榫。

B. 不要拆卸定位销，除非符合持续适航检查编号5340-04的要求。

C. 直到符合持续适航检查编号5340-04的要求才能拆下定位销。

A. 当前货舱加热活门关闭时设备冷却通气活门打开。

B. 当前货舱热活门关闭时设备冷却端活门打开。

C. 当前客舱加热活门关闭时设备冷却控制活门打开。

A. 本节中所规定的各项空速应为指示空速。假设仪表误差为零，尽可能使信息直接可用。

B. 本节中使用的空速应在指示空速中规定，假设仪器误差为零，以使信息尽可能直接可用。

C. 本节中使用的空速代表指示空速。由于仪表误差为零，所以信息直接可用。

A. Exterior Placards and Markings are required for ground servicing instructions, inspections, cautions, warnings.

B. Exterior Labels and Markings are required for ground servicing instructions, inspections, cautions, warnings.

C. Exterior Placards and Markings are required for ground servicing instructions, inspections, warnings, cautions.

A. 某些词会有注释告诉你使用其他批准的专用词汇或不同的形式。

B. 某些词会有注释告诉你使用其他批准的更佳的词汇或不同的结构。

C. 某些词会有注释告诉你使用其他批准的替代词汇或不同的形式。

A. The first step in listing possible causes of each trouble is to show what sections of the system may be at fault.

B. Listing possible causes of each trouble is the first step to show what sections of the system may be failure.

C. The first step in listing which parts of the system are likely to fail is to show the possible causes of each failure.