A、 涂抹两层保护性化合物,以防止液压油损坏密封胶。
B、 运用两层保护性化合物,以保护液压油对密封胶的损害。
C、 运用两层保护性成分,以防止密封胶对液压油造成损害。
答案:A
A、 涂抹两层保护性化合物,以防止液压油损坏密封胶。
B、 运用两层保护性化合物,以保护液压油对密封胶的损害。
C、 运用两层保护性成分,以防止密封胶对液压油造成损害。
答案:A
A. Emergency illumination refers to an individual and dependent subsystem which is used to provide lighting when the main electrical power fails.
B. Emergency lighting can provide illumination for an individual and independent subsystem in case of main electrical power failure.
C. Emergency lighting is the separate and independentsubsystem used to provide illumination in case of primary electrical power failure.
A. 三台计算机收集数据,与系统参数一起放在连接到显示器组件的数据链路上。
B. 三台计算机从系统中更正数据和参数,将它们放在连接到显示器组件的数据链路上。
C. 三台计算机收集系统数据和参数,并通过数据链接将它们一起传送给显示组件。
A. 为了认识这些要求,纸张厚度限制可能会被考虑。
B. 为了达到这些要求,可能限制纸质隔板使用。
C. 为达到这些要求,可能考虑限制纸张的厚度。
A. Warnings,cautions and notes may be used to highlight or emphasize important points.
B. Highlight or underline the key points with alerts,attentions and comments.
C. Alerts,cautions and comments can be used to protrude or underline the key points.
A. The system is pneumatically operated and mechanically controlled.
B. Hydraulic power drives the system,while electricity is connected.
C. The system is hydraulically operated and electrically controlled.
A. The rudder can be used in case of thrust asymmetry.
B. The vertical stabilizer can be used in case of throttle symmetry.
C. The rudder can be used in situations where thrust is symmetric.
A. If the Halon extinguisher has its lever lock pin lost,you must scale the extinguisher to make sure if it is full.
B. If the hand lock pin on the Halon fire flask is not there,you must weight the extinguisher to see if it is full.
C. If the handle lock pin on the Halon extinguisher is not there,you must weigh the extinguisher to find if it is full.
A. Review the failures report from the logbook and related fault messages with center DU or CDU,debrief the flight crew for faults and report them for handling.
B. Either the logbook or center DU/CDU shall be checked for faults records and related fault information,then review the faults reported by the flight crew and take actions.
C. Consult the failures report from the logbook to find the related information on center DU or CDU,listen to the crew for faults report.Report faults and handle them.
A. 转弯协调器感知并指示横滚和偏航的速度。转弯协调器中陀螺的转子向上倾斜 30°。此时,它不仅响应纵轴上的运动,而且响应立轴上的滚动运动。
B. 转弯倾斜器感知并指示横滚和偏航率。转弯倾斜器中陀螺的转子向上倾斜 30°。此时,它不仅响应立轴上的运动,而且响应纵轴上的滚动运动。
C. 转弯协调器感知并指示横滚和偏航率。转弯协调器中陀螺的转子向上倾斜 30 度。因此它不仅响应立轴上的运动,而且响应纵轴上的滚动运动。
D. C.转弯协调器感知并指示横滚和偏航率。转弯协调器中陀螺的转子向上倾斜 30 度。因此它不仅响应立轴上的运动,而且响应纵轴上的滚动运动。
A. 在需要折叠的页面上,折叠时不允许页码可见。
B. 在需要折叠的页面上,以允许页码可见的方式折叠。
C. 在需要折叠的页面上,以这样的态度来折叠,并保证页码可变。