163.Copy density shall be uniform throughout the page( )

774.航空器审定服务办公室是在副局长领导下的各办公室中的一个,它的职责是监督航空器审定管理局及华盛顿总 部与设计,生产和适航审定有关的各项工作( )

773.所有出版物均应采用标准数字编号系统编制索引 ( )

772.Do the troubleshooting procedure to find the cause of the malfunction ( )

771.Where chapters have been eliminated through combining with other chapters, the original chapter heading will be listed in the table of contents in the front of the manual and a reference given as to where the material is now located ( )

770.The trailing edge flaps are more than 25 units( )

769.The audio part of the video entertainment is delivered to each individual passenger seat on selected channels of audio entertainment system and also may be connected to the PA system speaker ( )

768.If the tower does not respond, use a different channel( )

767.This procedure points out that the FAA should be contacted prior to any alterations on airplane to ensure that airworthiness of the airplane is not violated ( )

766.The system to be tested operated abnormally during last flight leg( )

765.厨房地板上方的水分可以通过地板表面的小洞渗入,肉眼是看不到的。 ( )