A、 Mechanical devices that drive the engine at a desired RPM.
B、 Mechanical devices that drive the generators at a desired RPM.
C、 Electromechanical devices that drive the generators at a desired RPM.
答案:B
A、 Mechanical devices that drive the engine at a desired RPM.
B、 Mechanical devices that drive the generators at a desired RPM.
C、 Electromechanical devices that drive the generators at a desired RPM.
答案:B
A. 在每一页的顶部打印页码和发布或者修订日期。
B. 在每一页的底部打印页码以及发布或者修订日期。
C. 在每一页的底部打印页码和修订发布日期。
A. As a general rule, a reissue shall be prepared when a minor number of the total pages of the manual is affected.
B. As a general rule, a revision shall be prepared when a minor number of the total pages of the manual is affected.
C. As a general rule, a reissue shall be prepared when a minor affect of the total number pages of the manual is minor.
A. Add oil to correct level
B. Add proper oil
C. Add oil to proper level
A. 无线电高度表在初始爬升时确定飞机距离地面的高度,确定飞机是否进入近进和着陆阶段
B. 无线电高度表在初始爬升、进近和着陆阶段确定飞机的地形和高度
C. 无线电高度表在初始爬升、进近和着陆阶段确定飞机距离地面的高度
A. 对机场设备的持续投资,包括跑到、航站和技术,将确保源于空管系统更换和飞机机队的更新所带来的最大收益。
B. 对机场基础设施的持续投资,包括跑到、航站和技术,将确保源于空管系统更换和飞机机队的管理所带来的最大收益。
C. 机场基础设施的持续投资,包括跑到、航站和技术,将确保源于空管系统更换和飞机机队的更新所带来的最大收益。
A. Thus, the more words there are in a cluster, the more difficult it is to understand.
B. Therefore, the more words are there in a phrase, the more difficult it is to understand.
C. So, the more nouns in a phrase, the harder it is to understand.
A. 设备冷却系统的低流量传感器给出警告,没有足够冷气。飞机在地面时,当出现供气系统低流量时,机组打电话报告警报声。
B. 没有冷却气流供应时,设备冷却系统有低流量探测器来发出警告。在地面上,当供气系统检测到低流量时,机组人员会发出呼号警报。
C. 冷却气流不足时,设备冷却系统低流量探测器发出警告。当飞机在地面时,如果供气系统中探测到低流量,机组人员呼叫喇叭响起。
A. 小心修理损伤的零件。
B. 小心易损伤的零件。
C. 对于损伤的零件要小心。
A. 用滑石粉处理该区域。
B. 在该区域涂抹滑石粉。
C. 撒滑石粉在该区域。
A. Flaperon plays the role of both ailerons and spoiler On some swept wing airplanes.
B. On some swept wing airplanes, Flaperon functions both ailerons and flaps.
C. Flaperon is aircraft controls used on some swept wing airplanes that serve as both elevator and wing flaps.