A、 As the depressurization of the alternate system, the hydraulic system A must be released to open the rudder hydraulic system selector valve and permit hydraulic fluid to flow to the rudder actuator below.
B、 In order to depressurize standby system, the hydraulic system A must be depressurized to open the rudder hydraulic system selector valve and let hydraulic fluid flow to the lower rudder actuator.
C、 Due to the depressurization of the alternate system, the hydraulic system A must be released to open the rudder hydraulic system selector valve and permit hydraulic fluid to flow to the bottom rudder actuator.
答案：B
A、 As the depressurization of the alternate system, the hydraulic system A must be released to open the rudder hydraulic system selector valve and permit hydraulic fluid to flow to the rudder actuator below.
B、 In order to depressurize standby system, the hydraulic system A must be depressurized to open the rudder hydraulic system selector valve and let hydraulic fluid flow to the lower rudder actuator.
C、 Due to the depressurization of the alternate system, the hydraulic system A must be released to open the rudder hydraulic system selector valve and permit hydraulic fluid to flow to the bottom rudder actuator.
答案：B
A. 确保盖板处于打开位置。
B. 使得盖板处于打开位。
C. 确保作动筒处于打开位置。
A. 记住,STE的重要作用是让读者能够立即理解他们所读到的每一句话。
B. 记住,STE的初级目标是让读者能够立即反应他们所读到的每一句话。
C. 记住,STE的主要目的是让读者能够立即理解他们所读到的每一句话。
A. 在紧急情况下，飞行员应准备至关重要的物品的检查清单。
B. 在关键情况下，飞行员的检查清单应限制在最大量，而且是对飞行员至关重要的。
C. 检查清单应限于在紧急情况下对飞行员至关重要的物品的最小数量。
A. 本地信号由收发机处理，数据传输到空中交通管制。
B. 定位信号由收发机提供，数据传输到空中交通管制。
C. 定位信号由收发机处理，数据传输到空中交通管制。
A. 拆下接合表面漆层周围的转接板。
B. 去除转接板接合面周围的底漆涂层。
C. 拆卸转接板来去除接合面周围的面漆。
A. Decrease the pressure in the hydraulic system.
B. Bleed the speedbrake hydraulic system.
C. Disconnect the speedbrake hydraulic system.
A. 旋转盖子直到接近千斤顶并标记“+”和“-”。
B. 旋转盖子，直到你能接触到插口上“+”和“-”的标记。
C. 转动盖子直到可以接近标有“+”和“-”的千斤顶。
A. It is possible to use the same page to include the examples, associated conditions and technique. Should there be no necessary information included, refer to the page facing the chart.
B. If the same page contains examples, associated conditions and techniques, you need to include all the necessary information, it is forbidden to use the page that the figure faces.
C. Where possible, examples, associated conditions and technique should be presented on the same page as the chart. If space is not enough to include the necessary information, then the page facing the chart should be used.
A. For data about the location of circuit breakers, refer to the wiring list.
B. Refer to the wiring list about the adapters location data.
C. For data about the location of circuit breakers, refer to the wiring diagram.
A. If you use folding page, the page number must be invisible when folding.
B. The page number must be viewing if you fold the page.
C. If folded pages are used, the page number must be visible when folded.
