84.The listed model or components and listed serials/units are to be cumulative for all inspections in the Continuing Airworthiness Program Inspection Document.This will allow the user to identify an affected airplane by examining one list rather than having to check each individual Continuing Airworthiness Program Inspection for applicability.

A. 　While you do the valve test,ensure that there is no contamination.

B. 　While you do each step of the valve test,ensure that there is no blockage

C. 　While you do each step of the valve test,make sure that there is no leakage.

A. 　When you need to understand a schematic diagram,use arrows to indicate flow orientation.

B. 　Arrows shall be used to signify flow direction when needed to realize the schematic form.

C. 　When need to comprehend the chart,you should use arrows point to the direction.

A. 　关于跳开关的跳开电流数值,参阅线路清单。

B. 　关于跳开关的数量,参阅线路清单。

C. 　关开关于的跳位置数据,参阅线路清单。

A. 　如。 果没有液压动力放下前起落架,起落架

B. 　如果液压动力未将前起落架放下,起落架的重

C. 　液压动力可以放下前起落架,起落架的

A. 　Unscheduled maintenance are those maintenance checks and inspections on the aircraft,its systems and units which are recognized by the manufacturer as special or unusual conditions which are not related to the time limits specified in-10 above.

B. 　For the unscheduled maintenance checks and inspections of aircraft,aircraft systems and components,the manufacturer shall not include special or unusual conditions from the time limits specified in-10.

C. 　If the unscheduled maintenance checks and inspections on the aircraft,its systems and units are special or unusual conditions,the time limits specified in-10 shall be referred to by the manufacturers.

A. 　将钢索临时安装在临近结构上。

B. 　将钢索永久安装在临近结构上。

C. 　将钢索临时安装在对面结构上。

A. 　防腐可能有很多原因:’

B. 　腐蚀可能有很多原因。

C. 　腐蚀可能有

A. 　设置电门每秒钟三个循环。

B. 　设置电门每分钟三个循环.

C. 　设置电门每三分钟三个循环。

A. 　检査排水孔周围区域是否有腐蚀迹象。

B. 　检査进气孔旁边区域是否有磨损迹象。

C. 　检查进水孔前面区域是否有开裂迹象。

A. 　无线电高度表在初始爬升时确定飞机距离地面的高度,确定飞机是否进入进近和着陆阶段。

B. 　无线电高度表在初始爬升、进近和着陆阶段确定飞机的地形和高度。

C. 　无线电高度表在初始爬升、进近和着陆阶段确定飞机距离地面的高度。