A、 Despite the pressure decreases, the switch must stay closed.
B、 Although the pressure decreases, the valve must stay closed
C、 In spite of the decrease of the pressure, the door must stay closed.
答案：B
A、 Despite the pressure decreases, the switch must stay closed.
B、 Although the pressure decreases, the valve must stay closed
C、 In spite of the decrease of the pressure, the door must stay closed.
答案：B
A. 系统中用于将高压或低压空气分配到使用系统的那部分。包括管道,活门,作动器,热交换器,控制器等。包括不使用系统的供气活门。
B. 系统中用于将高压和低压空气分配到使用系统的那部分。包括管道,活门,作动器,热分配器,控制器等。不包括使用系统的供气活门。
C. 系统中用于将高压或低压空气分配到使用系统的那部分。包括管道,活门,作动器,热交换器,控制器等。不包括使用系统的供气活门。
A. 把软管的两端连接起来。
B. 把两端和软管串起来。
C. 把孔的两端连接起来。
A. Troubleshooting information describing probable malfunctions, how to delete those malfunctions, and the removal action for those malfunctions shall be provided.
B. Troubleshooting information describing the real malfunctions, how to recognize those malfunctions, and the remained action for those malfunctions shall be provided.
C. Troubleshooting information describing probable malfunctions, how to recognize those malfunctions, and the remedial action for those malfunctions shall be provided.
A. The manufacturer＇s masthead, publication title, air craft model and issue and revision dates or codes shall appear on all pages that contain text or illustrations. However, aircraft model number should not be included in engine maintenance manuals.
B. The manufacturer＇s masthead, publication name, aircraft model, and issue and, revision dates or codes should appear on all pages and should also contain text or illustrations. However, the aircraft model should not be included in the engine maintenance manual.
C. The manufacturer＇s masthead, publication name, aircraft model, and issue and revision dates or codes should appear on all pages and should also contain text and illustrations. However, the aircraft model should not be included in the engine maintenance manual.
A. 更换滑阀,确保其表面光滑。
B. 如果滑阀表面粗糙,则将其更换。
C. 如果活门表面粗糙,则更换其滑动桶。
A. Make sure that the warning light turns on within 3 seconds.
B. Make sure that the warning light is on for at least 3 seconds.
C. Make sure that the warning light is turned on in no more than 3 seconds.
A. The maximum distance between the plate edge and the frame is inferior to 0.05mm.
B. The clearance between the boundary of the panel and the bay can not exceed 0.05mm.
C. The distance between the edge of the panel and the partition must not be more than 0.05mm.
A. 指示器显示储压器已满。
B. 仪表显示油箱已满
C. 指示器显示油箱已满
A. The positive pressure relief valves are fail safe devices. If the aft outflow valve can＇t be closed, these positive pressure relief valves bleed fuselage pressure overboard.
B. The positive pressure relief valves are fail safe devices. If the positive pressure relief valves fails closed, these aft outflow valve bleed fuselage pressure overboard.
C. The positive pressure relief valves are fail safe devices. If the aft outflow valve fails closed, these positive pressure relief valves bleed fuselage pressure overboard.
A. PI上显示完成数据复制所需的剩余时间。
B. PI显示的是复制数据所需要的时间。
C. PI上显示剩余时间以便完成数据的复制。
