A、 抛光表面,直到它非常有光泽。
B、 打磨表面,直到它非常薄。
C、 在表面非常薄之前润色它。
答案：A
A、 抛光表面,直到它非常有光泽。
B、 打磨表面,直到它非常薄。
C、 在表面非常薄之前润色它。
答案：A
A. Use backthrust to change the direction of the exhaust to achieve contrary thrust.
B. Thrust reverser is used to change the direction of the exhaust gases for reverse thrust.
C. To change the direction of the exhaust nozzle,the thrust reverser is used to obtain the opposite thrust.
A. When the light goes off,set the switch to NORMAL.
B. When the light is illuminated,move the switch to NORMAL.
C. When the light is extinguished,move the switch to NORMAL.
A. 机务使用方向盘操纵飞机在滑行期间的方向。
B. 机组在推出期间通过转弯手轮控制飞机方向。
C. 机组在用方向盘后退期间控制飞机方向。
A. 该速度指示仪此段弧线的下限是着陆构型下的最大纵向速度。
B. 该速度指示仪此段弧线的下限是着陆构型下的最大横向速度。
C. 该速度指示仪此段弧线的下限是最大重量情况下着陆构型时的失速速度。
A. If one or more blades are broken,make an entry in the engine logbook.
B. If one or more blades are in place ,make an entry in the engine logbook.
C. If one or more blades are absent,make an entry in the engine logbook.
A. 手册中所示的度量单位必须准确。
B. 手册中的度量单位必须一致。
C. 手册中的度量单位必须写明。
A. 盘旋着陆机动指当不能或不需直线仪表进近时飞行员为使飞机对准着陆跑道所做的机动动作。在塔台管制机场,必须得到空中交通管制许可,并且建立了机场目视参照后才能做此机动。
B. 盘旋着陆机动指当不能或不需直线仪表进近时飞行员为使飞机对准着陆跑道所做的机动动作。在塔台管制机场,必须得到空中交通管制的间隔,并且建立了机场目视参照后才能做此机动。
C. 盘旋着陆机动指当不能或不需直线仪表进近时飞行员为使飞机能在着陆场矫正所做的机动动作。在塔台管制机场,必须得到空中交通管制的间隔,并且建立了机场目视参照后才能做此机动。
A. The seat shall be lifted to leave the track locked.
B. Lift the seat until it is away from the track locks.
C. Eject the seat until it is isolated from the track locks.
A. 确保蒙皮未受损伤。
B. 确保皮肤未被侵蚀。
C. 确保蒙皮未划伤。
A. In the STE example,this safety description is given as a caution,but if you know about oxygen systems,you also know that oxygen can occur explosions.
B. In the non-STE example,this safety instruction is given as a caution,but if you know about oxygen systems,you also know that oxygen can cause explosions.
C. In the non-STE example,caution is given in this safety description.But if you know about nitrogen systems,you also know that nitrogen can cause flames.
