A、 You can use electric motors to drive fuel and hydraulic pumps or to drive a valve to the commanded position in the fuel,hydraulic or air conditioning system or to move doors and cargo containers
B、 Electric motors can drive fuel and hydraulic pumps or drive a valve to the commanded position in the fuel,hydraulic or air conditioning system or move mechanical parts like doors and cargo containers to produce mechanical power
C、 Electric motors produce mechanical power and their main functions are to drive fuel and hydraulic pumps,to drive a valve to the commanded position and to move mechanical parts like doors and cargo containers.
答案：B
A、 You can use electric motors to drive fuel and hydraulic pumps or to drive a valve to the commanded position in the fuel,hydraulic or air conditioning system or to move doors and cargo containers
B、 Electric motors can drive fuel and hydraulic pumps or drive a valve to the commanded position in the fuel,hydraulic or air conditioning system or move mechanical parts like doors and cargo containers to produce mechanical power
C、 Electric motors produce mechanical power and their main functions are to drive fuel and hydraulic pumps,to drive a valve to the commanded position and to move mechanical parts like doors and cargo containers.
答案：B
A. 除非有必要了解系统,否则不需要完整地显示回流管。
B. 如果没有必要了解系统,则需要完整地显示回流管。
C. 除非需要了解系统,则需要部分地显示回流管。
A. 在检查单之后可以增加程序成便飞行员更好地理解简易检查单中釆取措施旳原因
B. 检查单可能需要增加额外信息,以便飞行员更好的理解检查单中的措施。
C. 检査单后面可能还有附加信息,以便飞行员更好的理解怎样实施检查单。
A. 无线电高度表在初始爬升时确定飞机距离地面的高度,确定飞机是否进入进近和着陆阶段。
B. 无线电高度表在初始爬升、进近和着陆阶段确定飞机的地形和高度。
C. 无线电高度表在初始爬升、进近和着陆阶段确定飞机距离地面的高度。
A. 在某也情况下,如果数据显示疲劳问题发生频率髙于最初预测,则可能需要增加检査频率
B. 在某些情况下,如果数据显示疲劳问题持续的时间比最初预测的要长,则可能需要增加检查频率。
C. 在某些情况下,如果数据显示疲劳问题发生的时间比最初预测的要长,则可能需要增加检査频率。
A. These tests should only use the equipment or facilities installed on the aircraft.These tests should be able to perform by the flight crews.
B. These tests should not use the special equipment or facilities that are not installed on the aircraft.These tests should be similar to the tests performed by the flight crews.
A. Before you accept the unit,do the functional test procedure.
B. Before you accept the unit,do the operational test procedure.
C. Before you accept the unit,do the specified test procedure.
A. Clean the surface to ensure there will be good adhesion.
B. Clean the surface to ensure firm addition.
C. Clean the surface to make sure that the bond is satisfactory.
A. Let the temperature Increase until it is the same as the ambient temperature.
B. Wait for a few minutes until the temperature of the component exceeds the ambient temperature.
C. Let the component cool down until its temperature is the same as the ambient temperature.
A. 调节螺钉转动后,使压力平稳、
B. 每次转动调节螺钉后,使压力平稳
C. 只要转动调整螺钉后,使压力稳定
A. 修正空速(CAS)仅为按需使用,以符合认证机构的任何对应要求,因为飞行员延程飞行时需按照指示空速(IAS)工作。
B. 修正空速(CAS)仅在紧急情况时使用,以符合认证机构的任何对应要求,因为飞行员不能按照指示空速(IAS)I 作;
C. 修正空速(CAS)仅在必要时使用,以符合认证机构的任何対应要求,因为飞行员完全按照指示空速(IAS)工作。
