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. Do not perform any work to the aircraft during maintenance.
B. It is forbidden to refuel the aircraft during maintenance.
C. You can add fuel to the aircraft at any time.
A. 确保厕所组件正确冲洗。
B. 确保厕所马桶正常工作。
C. 确保厨房组件正常工作。
A. 在英语中,看起来相似的单词在句子中并不总是具有相同的功能。只有技术动词作为动词使用,而不是作为名词。
B. 在英语中,看起来相同的单词在句子中并不总是具有相同的功能。只有技术名词作为名词使 用,而不是作为动词。
C. 在英语中,看起来相同的单词在句子中并不总是具有相同的功能。只有技术动词作为动词使用,而不是作为名词。
A. APPROVAL
B. AUTOMATIC
C. AUTHORITY
A. Use a foot-long breaker bar during this procedure.
B. Use a 12-inch wrench handle during this procedure.
C. Use a 12-inch speed handle during this procedure.
A. The boost pumps supply trim tank fuel to the engine feed manifold.
B. The boost pumps supply main tank fuel to the APU.
C. The boost pumps supply main tank fuel to the engine feed manifold.
A. 操作信息包括(但不限于)用于选择CAPS的结果-怎样制定CAP的要求
B. 可选信息应包括(但不限于)用于选择CAPS的基本原理-关于制定CAP的规则
C. 可选信息包括(但不限于)用于选择CAPS的依据-CAP要求是如何确定的
A. The positive pressure relief valves are fail safe devices. If the aft outflow valve can＇t be closed, these positive pressure relief valves bleed fuselage pressure overboard.
B. The positive pressure relief valves are fail safe devices. If the positive pressure relief valves fails closed, these aft outflow valve bleed fuselage pressure overboard.
C. The positive pressure relief valves are fail safe devices. If the aft outflow valve fails closed, these positive pressure relief valves bleed fuselage pressure overboard.
A. 中断起飞距离是使飞机加速至指定速度,并假设达到该速度的瞬间发动机发生故障,使飞机停下来所需的距离。
B. 中断起飞距离是使飞机加速到特定速度,并假设达到该速度的时候发动机发生故障,使飞机停下来所需的距离。
C. 中断起飞距离是使飞机加速到特殊速度,并即将达到该速度的瞬间发动机发生故障,使飞机停下来所需的制动距离。
A. 该限制应在飞机处于起落架上或提升装置上时使用。
B. 如果飞机在起落架上或被顶起,请查阅此文件。
C. 该限制适用于飞机在起落架上或千斤顶上。
