684.减震器是一个可伸缩油气装置。( )

253.The hydraulic system supplies power to the actuators ( )

252.fill the hydraulic tank with the specified hydraulic fluid( )

251.小心不要导致衬套损坏。 ( )

250.连接万用表到电流测量感应器输出端。 ( )

249.Generally, the wheels of airplanes are attached to the shock struts, and oil or air is used by the struts to relieve the impact of landing( )

248.如果机翼上的所有扭力管未连接,则使用适配器单独的驱动每个襟翼。 ( )

247.Adequate terrain clearance is necessary for ILS approach( )

246.确保指示器显示的数值正确。 ( )

245.The cover title and applicable airplane designation shall be prominently displayed on the cover or spine of the Handbook Other information may be displayed on the cover( )

244.First try to install the adaptor with the shortest threaded area( )