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.
答案:C
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.
答案:C
A. 导航灯从暗变亮
B. 位置灯从亮变暗
C. 导航灯从亮变暗
A. 如果危险被含糊描述人员在执行任务时要了解风险,之并更加小心。
B. 危险是否被清楚说明,以致于执行任务的人是否有必要了解风险,并更加小心。
C. 如果清楚说明了危险,执行任务的人就会了解风险且更加小心。
A. 如果燃油过滤器内有金属颗粒,检查过滤器滤是否磨损
B. 如果滑油过滤器内有金属颗粒,检查过滤器滤是否磨损
C. 如果液压油过滤器内有金属颗粒,检查过滤器滤是否磨损
A. 本规范中所包含的规则应作为制造商编写的维修手册中所有材料的格式、样式和描述方法的指南
B. 本规范所包含的条例应作为格式和样式的指南,所有材科的描述方法应包含在制造商编写的维修手册中
C. 本规范虫所包含的规章应作为格式的指南而服务,制造商编写的维修手册中应包含所有材料的样式和描述方法
A. 感应管内的气压使有故障的压力电门处于关闭位置。当该气压在过热或火警状况时,其它2个压力电门关闭。
B. 感应管内的气压保持故障压力电门处于关闭位置。当该气压由于过热或火警状况增加时,其它2个压力电门关闭。
C. 气压在感应管内保持不变,故障压力电门处于关闭位置。其它2个压力电门关闭时,气压出现过热或者火警情况。
A. When the indicator is visible, stop the pump.
B. When the indicator comes on stop the pump.
C. Stop the pump unless the indicator comes into view.
A. Write the temperature on the engine record card.
B. Record the temperature of the engine until writing it on the card.
C. Recording the temperature of the engine is done by writing it on the card.
A. Mix the bonding material with a spatula
B. Use the bonding material with a spatula
C. Put the bonding material with a spatula
A. On the label, read the date of the last inspection.
B. Check the date of latest inspection on the log.
C. On the label, make sure the date of last check.
A. The gearbox is installed behind the pneumatic motor.
B. The bump is installed behind the hydraulic motor.
C. The bump is installed behind the pneumatic motor.