A、 Elevator move is limited by the move of the elevator power control units.
B、 Elevator trip is limited by the move of the elevator power control units.
C、 Elevator travel is limited by the stroke of the elevator power control units.
答案：C
A、 Elevator move is limited by the move of the elevator power control units.
B、 Elevator trip is limited by the move of the elevator power control units.
C、 Elevator travel is limited by the stroke of the elevator power control units.
答案：C
A. 该计算机控制风扇气流以防止喘振。
B. 该计算机控制燃烧室气流以防止过热。
C. 该计算机控制压气机气流以防止失速。
A. 用电线把电缆接连到结构上。
B. 把钢索固定到结构上。
C. 把电线系到结构上的电缆上。
A. Before you use a word, read its definition in the approved meaning column of the dictionary.
B. Before you use a word, read its approved meaning in the definition column of the dictionary.
C. Before you use a word, read its meaning in the approved column of the dictionary definition.
A. 不要组装或修理点火嘴。
B. 不要拆解或修理点火嘴。
C. 不要组装或更换点火嘴。
A. You can find electronic devices in nearly all aircraft systems. They are system control and monitoring computer, the control inputs and indications in the cockpit and sensors throughout the whole aircraft.
B. The computer used for system control and monitoring and the control inputs and indications in the cockpit and sensors all over the whole aircraft are the electronic devices used in almost all aircraft systems.
C. Electronic devices can be found in nearly all aircraft systems that are computer for system control and monitoring in the cockpit and sensors all over the whole aircraft.
A. 金属材料会导致磁反应。
B. 金属物体会引起磁干扰。
C. 金属材料会引起磁效应。
A. 装配之前，确保适当减少减震器里的压力。
B. 拆卸之前，确保释放减震器里的初始压力。
C. 分解之前，确保减震器里的所有氮气压力已释放。
A. 风挡出口是在机长和副驾的挡风口前面。
B. 风挡出口是在机长和副驾遮光板的前面。
C. 风挡出口是在机长和副驾操作板的前面。
A. 维修这个组件需要校准过的工具。
B. 安装这个组件需要专用工具。
C. 组件的安装需要精确的工具。
A. 描述飞机起落架时，应描述前轮制动。
B. 描述飞机起落架时，应描述机轮刹车。
C. 描述飞机起落架时，应描述机轮停车。
