A、 信函是白纸黑字印刷的。
B、 字母是白色背景下哑光黑色的。
C、 书信需要黑白复印件。
答案：B
A、 信函是白纸黑字印刷的。
B、 字母是白色背景下哑光黑色的。
C、 书信需要黑白复印件。
答案：B
A. Tighten the threads, nuts, clips, or connectors to the correct torque.
B. Tighten the bolts, nuts, clamps, or connectors to the correct torque.
C. Tighten the bolts, spacers, clips, or connectors to the correct torque.
A. 英语单词复杂的句子结构以及多个含义和缩写词会对读者造成混淆。
B. 复杂的句子结构多个含义和术语以及多个英语单词会对读者造成混淆。
C. 复杂的句子结构以及英语单词的多重含义和同义词会对读者造成混淆。
A. Mixed category consists of many parts and components, five kinds of these parts have been selected.
B. Miscellaneous category consists of many parts and components, five kinds of these parts have been selected.
C. Complicated category consists of many part sand components, five kinds of these parts have been selected.
A. 手册子章节里的材料可以抄袭本规范本节各小段中的材料顺序,也可以根据特定类型或型号的飞机进行排布。
B. 手册各小段中的材料可以遵循本规范本节各小段中的材料顺序,也可以安排特定类型或型号的飞机进行匹配。
C. 手册各小段中的材料可以遵循本规范本节各小段中的材料顺序,也可以根据特定类型或型号的飞机进行排布。
A. Those units and components which provide aircraft navigational information. Includes VOR, pitot, static, ILS, flight director, compasses, indicators, etc.
B. Those units and components which provide aircraft radio information. Includes VOR, pitot, static, ILS, flight director, compasses, indicators, etc.
C. Those units and components which provide aircraft instrument information. Includes VOR, pitot, static, ILS, flight director, compasses, indicators, etc.
A. In order to do the engine bleed system leak check use APU to pressurize the system and check if there are leaks in the sensing tube and these system components.
B. The leak inspection of the engine bleed air system describes how to use APU to pressurize the system to inspect whether the sense lines and the system parts leak or not.
C. The way to check the leakage of the senses pipes and the system components by compressing system using APU is described.
A. 在本构型中,必须执行不同的测试程序。
B. 在本构型中,可以选用不同的测试程序。
C. 本次会议强制要求使用不同的测试程序。
A. Install the cushion before you install the seat.
B. Install the seat before you install the cushion.
C. Install the seat after you install the cushion.
A. 不要用手辅助低压压气机的运动。如果这样做,低压压气机可能会导致人身伤害并损坏设备。
B. 不要用手阻止低压压气机的运动。如果这样做,低压压气机可能会导致人身伤害并损坏设备。
C. 不要用手移动低压压气机。如果这样做,低压压气机可能会导致人身伤害并损坏设备。
A. Electrical power must be disconnected before you manually open or shut the valve.
B. The valve will keep the original position when it gets electrical power.
C. You can open or shut the valve manually with electrical power.
