A、 Ensure the oxygen tubes are completely clear.If oxygen is mixed with oil or compound together,it will form an explosives.Explosion can cause damage to equipment or injury to personnel.
B、 Make sure that the oxygen tubes are fully clean.Oxygen and oil or grease make an explosive mixture.An explosion can cause injury or death to personnel.
C、 Guarantee the oxygen tubes are completely free of dirts.Oxygen,oil andgrease can combine to form an explosive oxides.Explosions can cause casualties.
答案：B
A、 Ensure the oxygen tubes are completely clear.If oxygen is mixed with oil or compound together,it will form an explosives.Explosion can cause damage to equipment or injury to personnel.
B、 Make sure that the oxygen tubes are fully clean.Oxygen and oil or grease make an explosive mixture.An explosion can cause injury or death to personnel.
C、 Guarantee the oxygen tubes are completely free of dirts.Oxygen,oil andgrease can combine to form an explosive oxides.Explosions can cause casualties.
答案：B
A. 座椅和轨道没有对接好会使轨道和座椅受到损坏。
B. 如果没有正确对接销子和座椅,则会使销子和座椅受到损坏。
C. 如果座椅没有连接合适的销子,则销子和座椅都会损坏。
A. Write notes only to give content,not commands.
B. Write notes only to give information,not instructions.
C. Write cautions only to give information,not orders.
A. 定义措辞应尽可能简单,并必须符合手册中所定义的术语的使用。
B. 定义应尽可能简单地被记录,且必须保证手册中已定义术语的使用。
C. 定义应尽可能用词简单,且必须强制使用手册中规定的术语。
A. Detection and coding systems shall be used so that it's easy to isolate faults,repair routes and replace the components.
B. You should use the detecting and coding system that can help to remove faults,repair lines and change the components.
C. To facilitate troubleshooting,repair of circuits,and replacement of components,an identification and coding system should be used.
A. 旅客客舱排气通过地板管路到再循环系统或者头顶板。
B. 旅客客舱剩余空气通过地板管路到再循环系统或者头顶板。
C. 旅客客舱排气途经地板格栅到再循环系统或者头顶板。
A. 方向舵用于偏航控制,就是控制飞机绕立轴的运动。
B. 方向舵用于横滚控制,就是控制飞机绕横轴的运动。
C. 方向舵用于俯仰控制,就是控制飞机绕纵轴的运动。
A. 为飞机延长停场周期做准备。
B. 为飞机长时间停用做准备。
C. 准备好飞机做保留故障处理。
A. 如果你将上阻力杆的头部安装在下部,它会在作动时碰撞到下阻力杆。
B. 如果安装上阻力杆时将其倒置,在收起时它会碰撞到下阻力杆。
C. 将上阻力杆倒置,使其在放出时与下阻力杆相连。
A. This commonality requires greaterlearning and understanding for pilots,aircraft maintenance technicians and engineers alike.
B. This commonality makes it easier for pilots,aircraft maintenance technicians and engineers alike to learn and understand.
C. This commonality brings about better learning and understanding of the pilots,aircraftmaintenance technicians and engineers alike.
D. C.This commonality brings about better learning and understanding of the pilots,aircraftmaintenance technicians and engineers alike.
A. Use some auxiliary screws to assemble the unit temporarily.
B. You shall use some additional screws to install the unit permanently.
C. Temporarily disassemble this unit using some auxiliary screwdrivers.
