A、 大翼的主要结构框架包括梁、肋、桁条、燃油箱整体结构、翼尖油箱支撑结构和开口周围结构。
B、 大翼的主要框架包括隔框、肋、加强筋、内部燃油箱结构、翼尖油箱支撑结构和结构周围的开口。
C、 大翼的主要结构包括翼梁隔框、肋条、内部燃油箱结构、翼尖油箱支撑结构和结构周围的开口
答案：A
A、 大翼的主要结构框架包括梁、肋、桁条、燃油箱整体结构、翼尖油箱支撑结构和开口周围结构。
B、 大翼的主要框架包括隔框、肋、加强筋、内部燃油箱结构、翼尖油箱支撑结构和结构周围的开口。
C、 大翼的主要结构包括翼梁隔框、肋条、内部燃油箱结构、翼尖油箱支撑结构和结构周围的开口
答案：A
A. That portion of the system which is used by flight and attendant to communicate between areas on the aircraft.
B. That portion of the system which is used by flight and ground personnel to communicate between areas on the aircraft.
C. That portion of the system which is used by flight and ground personnel to chat between areas on the aircraft.
A. Despite the pressure decreases, the switch must stay closed.
B. Although the pressure decreases, the valve must stay closed
C. In spite of the decrease of the pressure, the door must stay closed.
A. 设备清单上的项目可以按项目编号进行识别并按逻辑分组,使用诸如“螺旋桨和螺旋桨附件”,“发动机和发动机附件”,“起落架”,“电气设备”,“内部设备”,“自动驾驶”等标题。
B. 设备清单上的项目可以通过序列号表示,并进行逻辑排列使用的标题可以是“螺旋桨和螺旋桨附件”,“发动机和发动机附件”,“起落架”,“电气设备”,“外部设备”,“自动驾驶”等
C. 设备清单上的项目可以通过使用诸如“螺旋桨和螺旋桨附件”,“发动机和发动机附件”,“起落架”,“电气设备”,“外部设备”,“自动驾驶”等标题来进行序列编号标识以及逻辑分组。
A. Multiple subsystems make up a system that pressurizes the tank to ensure water flow.
B. That portion of the system common to more than one subsystem which is used for pressurizing supply tanks to insure fluid flow.
C. A system consists of several subsystems that pressurize the tank to keep the water pressurized.
A. The group only contain representatives that are from ASD.
B. It is difficult that the representatives from the countries that are not from ASD take part in the group.
C. The group contain both the representatives that are from ASD and that are not from ASD.
A. This chapter introduces removable items of equipment and furnishings contained in the flight, passenger, cargo and accessory compartments. It includes emergency, buffet and lavatory equipment if furnished as manufacturer designated standard equipment. It does not include structures or equipment assigned specifically to other chapters;
B. This chapter introduces replaceable items of equipment and furnishings contained in the flight, passenger, cargo and accessory compartments. It includes emergency, buffet and lavatory equipment if furnished as manufacturer designated standard equipment. It does not include structures or equipment assigned to other parts;
C. This chapter introduces removable items of equipment and furnishings contained in the passenger, flight, cargo and parts compartments. It includes emergency, buffet and lavatory equipment if furnished as manufacturer designated special equipment. It does not include structures or equipment assigned specifically to other chapters;
A. In certain circumstances, cleaning the connector or replacing the IDG seems to solve the problem, but the messages will appear again later.
B. Sometimes, cleaning the connector or replacing the IDG seems to settle the problem, but the message will reappear occasionally.
C. Sometimes, sterilizing the connector or renewing the IDG seems to resolve the problem, but the message will occur later.
A. 确保指示灯点亮后叶片展开。
B. 确保叶片打开时指示灯点亮。
C. 确保叶片展开的过程中指示灯点亮。
A. Turn the cover clockwise.
B. Turn the cap counterclockwise.
C. Rotate the cap anticlockwise.
A. 混合物的使用寿命大于4小时。
B. 混合物的工作时长小于为4小时。
C. 混合物的使用寿命约为4小时。
