A、 A mixture of fuel and oxygen can cause an explosion.
B、 A mixture of fuel and hydrogen can cause an explosion.
C、 A mixture of fuel and nitrogen can cause an explosion.
答案：A
A、 A mixture of fuel and oxygen can cause an explosion.
B、 A mixture of fuel and hydrogen can cause an explosion.
C、 A mixture of fuel and nitrogen can cause an explosion.
答案：A
A. 确保维修飞机时不要撞到勤务箱。
B. 确保勤务车不要撞到飞机。
C. 确保勤务柜不要放在飞机的旁边。
A. A maximum distance of 50 feet is required between consumable materials and the work area.
B. Keep flammable materials at a minimum distance of 50 feet from the work area.
C. Explosive materials must be kept at least 50 feet away from the work area.
A. Some jobs or processes consist of several basic operations, with a number of minor steps or work items under each.
B. Some basic operations with a few small steps or work items are included in some work or processes.
C. Some jobs or processes constitute a few basic operations, with several minor steps or work items under each.
A. Verb phrase
B. verb sentence
C. Verb paragraph
A. Most material of the radar scope is fiberglass
B. Most of the material in the radar cap is fiberglass.
C. Most of the material in the radome is fiberglass
A. That portion of the system and its controls which supply environment air to the cabin. Includes items such as controls and indicating systems related to the compressors, etc., if applicable. Does not include the stress control and indicating system for the cabin pressurization.
B. That portion of the system and its controls which supply compressed air to the cabin. Includes items such as controls and indicating systems related to the compressors, etc., if applicable. Does not include the pressure control and indicating system for the cabin pressurization.
C. That portion of the system and its controls which supply compressed air to the cockpit. Includes items such as controls and indicating systems related to the compressors, etc., if applicable. Does not include the pressure control and indicate system for t he cabin pressurization.
A. 可以使用单独的图案描影来识别供给,压力,回流等。
B. 应使用不同的图案描影来区分供给,压力,回流等。
C. 必须使用单独的阴影图案来标记供给,压力,回流等。
A. 如果由于空间限制必须使用晦涩的缩写,则应在图像区域的未使用部分中用星号标出并拼写清楚。
B. 如果由于空间限制必须使用难以理解的小写,则应在图像区域的未使用部分中用下划线标出并拼写清楚。
C. 如果由于空间限制必须使用难以理解的大写,则应在图像区域的未使用部分中用括号标出并拼写清楚。
A. 确保撑杆轮与滑道上的凸槽对齐。
B. 确保转向架滚轮与轨道上的凹槽对齐。
C. 确保支架凸轮与滑轨上的滑块对齐。
A. It is expected that the manufacturers of major components will provide maintenance, troubleshooting, inspection and repair data in the format of this specification.
B. It is expected that the manufacturers of major equipments will provide maintenance, troubleshooting, inspection and removal data in the format on this specification.
C. It is expected that the manufacturers of most components will provide maintenance, troubleshooting, inspection and installation data in the format of this specification.
