A、 When hydraulic system B engine drive pump pressure is under normal conditions, the hydraulic power transfer unit system supplies standby hydraulic pressure to the leading edge flaps and slats.
B、 The hydraulic power transfer unit system is provide spare hydraulic pressure to the leading edge flaps and slats when hydraulic system B engine-driven pump pressure is abnormal.
C、 The hydraulic power transfer unit system supplies alternate hydraulic pressure to the leading edge flaps and slats when hydraulic system B engine-driven pump pressure is below normal.
答案：C
A、 When hydraulic system B engine drive pump pressure is under normal conditions, the hydraulic power transfer unit system supplies standby hydraulic pressure to the leading edge flaps and slats.
B、 The hydraulic power transfer unit system is provide spare hydraulic pressure to the leading edge flaps and slats when hydraulic system B engine-driven pump pressure is abnormal.
C、 The hydraulic power transfer unit system supplies alternate hydraulic pressure to the leading edge flaps and slats when hydraulic system B engine-driven pump pressure is below normal.
答案：C
A. 检查所有的部件和液力管路连接
B. 检查所有的部件,液力接头和连接管路
C. 连接全部零件和液力管路
A. The temperature increase results in the tension decreasing in the cables.
B. The temperature increase affect slightly the tension in the cables.
C. The tension in the cables is a crucial factor in the temperature changes.
A. A advisement of information in a ready-made manual can be taken as a revision.
B. A revision refers to an adjustment of information in a manual under publishing.
C. A modification of information in an existing manual can be called a revision.
A. 系统中用来控制驾驶舱内空气温度的部分。包括控制活门、敏感装置、电门、指示器、放大器等,如适用。
B. 系统中用来控制座舱内空气温度的部分。包括单向活门、传感装置、电门、指示器、流量器等,如适用。
C. 系统中用来控制座舱内空气温度的部分。包括控制活门、传感装置、电门、指示器、放大器等,如适用。
A. Estimate the quality of fuel used for the flight.
B. Compute the quantity of fuel required for the flight.
C. Evaluate the quantity of fuel in the flight.
A. 循环系统使用一个风扇使空气进入客舱支配总管。这个系统降低了空调组件的供气量。
B. 回流系统使用一个风扇使客舱空气进入混合总管。这个系统减少所需供气空调组件的数量。
C. 再循环系统使用一个风扇使客舱空气进入分配总管。这个系统减少空调组件所需供气量。
A. 两次检查后最少等待两分钟。
B. 两次检查之间的最短时间是两分钟。
C. 两次检查之间最多等待两分钟。
A. 用纸质分隔标签将活页文档中的每节、附录分隔开。
B. 用铜板分隔标签将活页文档中的每节、附录分隔开。
C. 用塑料分隔标签将活页文档中的每节、附录分隔开。
A. 在中心壳体的每个端头上是一个含有一个橙色活塞的液压油总管。
B. 在中心壳体的每个端头上是一个含有一个环状活塞的液压油总管。
C. 在中心壳体的每个端头上是一个含有一个铝制活塞的液压油管路。
A. An annunciator device is displayed on the panel, which shows how it works.
B. If an annunciator panel is installed, explain how it operates.
C. If a display appears on the annunciator panel, it explains that how the system works.
