A、 After finishing the following procedure, repair the upper flange.
B、 Repair the lower flange first during the procedure that follows.
C、 Repair the upper flange first during the following procedure.
答案：C
A、 After finishing the following procedure, repair the upper flange.
B、 Repair the lower flange first during the procedure that follows.
C、 Repair the upper flange first during the following procedure.
答案：C
A. The steel plate measures 1.5 metres long and 3/8 centimeter thick.
B. The steel plate measures 1.5 metres long and 3/8 decimeter thick.
C. The aluminum plate measures 1.5 metres long and 3/8 decimeter thick.
A. 在航空器交付时或在签发第一份标准适航证时提供给买方的维修手册和/或维修数据，应包括足够的信息，使合格的机械师能够酌情检查、排除故障、测试、维修或更换制造商认为可维修或可更换的所有系统和组件，以此作为正常维修程序的一部分。
B. 在交付航空器时或在局方颁发标准适航证时，制造商向客户提供的维修手册和/或维修资料应包含足够的信息，以便合格的机械师在正常维护过程中能够检查、排除故障、测试、修理或更换所有可修理或可更换的系统和组件。
C. 在航空器交付时或在签发第一份标准适航证时提供给买方的维修手册和/或维修数据应提供足够的信息，使合格的机械师能够酌情检查、排除故障、测试、维修或更换制造商认为可作为正常维修程序一部分的所有系统和组件。
A. 如果轮胎温度升高至超过177度，易熔塞熔化且轮胎放气。
B. 如果轮胎温度上升177度，易熔塞会熔化并导致轮胎泄气。
C. 当轮胎温度超过177度时，保险丝会熔化并导致轮胎漏气。
A. The layout does not rely on devices that require power such as computers.
B. The format should not rely on devices such as a power computer.
C. The forms should be independent from any equipment, computers are suitable.
A. 用于密封油箱的所有材料对所有燃油和燃油稳定剂都耐用。
B. 用于密封油箱的所有材料对所有燃油和燃油添加剂都耐用。
C. 用于密封油箱的所有材料对所有燃油和燃油添加剂都防水。
A. 描述飞机飞行控制系统时，应描述运行机构、提供示意图。
B. 描述飞机飞行控制系统时，应描述操纵原理，如必要，还应提供示意图。
C. 描述飞机飞行控制系统时，应描述所有的操作机械，并在必须要时提供平面图。
A. 仔细测量滑油的容积。
B. 仔细测量滑油的流速。
C. 仔细测量滑油的密度。
A. The condition of the radome is very important for its performance.
B. The condition of the antenna influences its properties greatly.
C. The condition of the radar has an important effect on its characteristics.
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.
A. The counted time resets to 0 when the button is kept down for two seconds.
B. The total time resets to 0 when the button is held on for two seconds.
C. The remained time resets to 0 when the button is seen down for two seconds.
