389.空气通过发动机进入压气机的部分。包括导流叶片、支撑罩、外壳等。 ( )

548.燃油和氧气的混合物能引起爆炸。 ( )

547.Such inserts in the text shall be short and concise and be used to emphasize important and critical instructions ( )

546.请勿更换电池。 只有经过批准的服务提供商才能更换它。 ( )

545.Make a selection from the available shims to get the correct thickness( )

544.相应联邦航空法规批准的所有类型的通航飞机和部件均可准备持续适航文件。( )

543.The splitter fairing divides the air into two parts ( )

542.Utilizing an airplane as intended by the manufacturer, combined with sound inspection and maintenance practices,forms the basis for assuring the airplane remains airworthy and safe to operate ( )

541.The oil debris monitor is used to sense the size and quantity of ferrous and non-ferrous metal in the scavenge oil system ( )

540.确保移除了所有的设备和工具。 ( )

539.Use the automatic system to open the doors( )