A、 如果因出现腐蚀而不得不拆除螺栓，则涂抹润滑油。
B、 如果因腐蚀而不能拆卸螺栓，则涂抹渗透润滑油。
C、 出现腐蚀时不可以拆卸螺栓，需要先涂抹防蚀剂。
答案：A
A、 如果因出现腐蚀而不得不拆除螺栓，则涂抹润滑油。
B、 如果因腐蚀而不能拆卸螺栓，则涂抹渗透润滑油。
C、 出现腐蚀时不可以拆卸螺栓，需要先涂抹防蚀剂。
答案：A
A. 在紧急情况下，飞行员应准备至关重要的物品的检查清单。
B. 在关键情况下，飞行员的检查清单应限制在最大量，而且是对飞行员至关重要的。
C. 检查清单应限于在紧急情况下对飞行员至关重要的物品的最小数量。
A. 该扭力轴无法向内侧旋转，因此在拆下前，应先拆下外旋扭力轴。
B. 禁止将该扭力轴向内侧移动。因此，在拆下前，应先拆下外侧扭力轴。
C. 该扭力轴不能向内侧移动，因此在拆下之前，应先拆下外侧扭力轴。
A. 操作增压的系统时会导致人员受伤。
B. 对压力系统进行工作时会导致人员受伤。
C. 增压系统会导致正在工作的人员伤亡。
A. 垂直安定面上翼肋改装
B. 垂直安定面翼尖翼梁改装
C. 垂直安定面翼尖缘条改装
A. Aluminum wire should not be attached to engine mounted accessories or used in areas having corrosive fumes, severe vibration, mechanical stresses, or where there is a need for frequent disconnection.
B. Aluminum line should not be connected to attachments which are mounted on the engine and also not be applied in domains where corrosive gases, serious oscillation, mechanical forces exist or where it is necessary to disconnect frequently.
C. Aluminum cable should not be linked to accessories installed on the engine. It should also not be used in the event of corrosive fumes, serious vibration, mechanic loads or the place where frequent disconnections are required.
A. During the system test, the PSU nitrogen mask doors will open and the nitrogen masks will appear in the nitrogen box if the door test stop or the tapes are not installed.
B. If the door test stop or the masking tape is not installed, the doors of the PSU oxygen box will open and the oxygen mask will remain in the original position.
C. The PSU oxygen box doors will open and the oxygen masks will go out of the oxygen boxes during the functional test if you do not install the door test stop or the masking tape.
A. 如果测试指示无故障，则继续执行程序。
B. 如果指示灯显示变弱，则更换阀门。
C. 如果测试指示有渗漏现象，则更换阀门。
A. The forward movement of the control lever must be slow and continuous.
B. The control lever must be kept moving forward slowly and abruptly.
C. You must continuously slow down the forward movement of the control lever .
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. On pressurized aircraft, the cabin air is distributed with a system of air ducts leaded from the pressurization source into and throughout the cabin. Typically, air is ducted to and released from ceiling ventilation.
B. Distribution of cabin air on pressurized aircraft is managed with a system of air ducts leading from the pressurization source into and throughout the cabin. Typically, air is ducted to and released from ceiling vents.
C. On pressurized aircraft cabin air is distributed with a system of air ducts leaded from the pressurization source into and throughout the cabin. Typically, air is ducted to and released from ceiling flap.
