A、 If as many as 50% of the holes are contaminated, you should clean the display units behinds the holes.
B、 The holes on the bottom of the display unit should be cleaned once over 50% of them are clogged due to contamination.
C、 If contamination causes a blockage of more than 50 percent of the holes, then clean the holes on the rear of the display units.
答案:C
A、 If as many as 50% of the holes are contaminated, you should clean the display units behinds the holes.
B、 The holes on the bottom of the display unit should be cleaned once over 50% of them are clogged due to contamination.
C、 If contamination causes a blockage of more than 50 percent of the holes, then clean the holes on the rear of the display units.
答案:C
A. 当你安装发射器时,校准箭头必须朝前。
B. 当你安装天线时,校准箭头必须靠前点。
C. 当你安装天线时,定位箭头必须指向前方。
A. 原理图应倾向于处理整个系统,而不是附属系统。例如,空调系统,而不是空调系统内的压缩机。
B. 原理图应倾向于处理整个系统,而不是附件系统。例如,空调系统,而不是空调系统内的压缩机。
C. 原理图应尽量呈现整个总系统,而非各个子系统。例如,空调系统原理图不应把重点放在其中包含的压气机上。
A. Attach the aft cargo compartment forward bulkhead central panel.
B. Mount the front cargo compartment backward bulkhead center panel.
C. Fix the aft bulkhead forward panel to the forward cargo component.
A. 缓慢增加压力(每分钟不少于过一圈)。
B. 缓慢释放压力(每分钟不超过一圈)。
C. 缓慢增加压力(每分钟不超过一圈)。
A. 包含飞机持续适航维修程序的主要文件是《飞机维护手册》(《持续适航文件(ICA)》)。根据本规范编制的文件是补充性要求,应与飞机维护手册一并使用。
B. 包含飞机持续适航维修程序的主要文件是《飞机的维护手册》(《持续适航文件(ICA)》)。按照本规范编写的文件是对该维修手册的补充,也是为了与该维修手册一起使用。
C. 包含飞机持续适航维修程序的主要文件是《飞机的维护手册》(《持续适航文件(ICA)》)。根据本规范编制的文件补充了该维护手册,并设计用于该维护手册。
A. This is the maximum portion of flammable vapors in air. If the portion is bigger, when an ignition source touched the gas, it would cause the fire to be diffused.
B. This is the minimum volume of flammable vapors. If the volume is lower, when the gas contacted with an ignition source, the fire would not come out.
C. This is the minimum density of flammable vapors in air. If the density was lower, when an ignition source touched the gas, it would not cause the spread of flame.
A. 你可以在检查完成后操作车辆。
B. 测试完成后可以操作机器。
C. 检查完成后可以停止车辆。
A. Be careful not to get acid on your skin.
B. Do not get acid on your skin.
C. You must be careful to get acid on your skin.
A. You can use the left cut to enter.
B. Use the left opening for easy access.
C. Left opening is used to move easily.
A. Take the oxygen mask in a hurry to start the flow of oxygen.
B. Pull the oxygen mask with a sudden movement to start the flow of oxygen.
C. Pull the oxygen mask in a must to start the flow of oxygen.