229.它明确了制造商建议的部件或组件的退役时间(使用小时数、循环数或其他合适的因素)以及 FAA 要求的时寿部件或组件的退役(拆下)时间。( )

708.涂上底漆( )

707.A value of 2 mm is permitted ( )

706.Once designed and approved, the establishment of thorough maintenance procedures is a must( )

705.Auxiliary fuel tanks are normally removable tanks( )

704. Equipment list items may be identified by an item number and may be grouped logically，using headings such as "propeller and Propeller Accessories" ， "Engine and EngineAccessories" ，"Landing Gear"， "Electrical Equipment" ，"Interior Equipment" ，"Autopilot"

703.To prevent damage to the engine , immediately install protective covers on all openings ( )

702.If the manual is loose-leaf, each page should contain the data and effective revision data when revised, or otherwise be identified as to revision status ( )

701.Overhaul of propellers must be accomplished in a qualified shop in accordance with data supplied by the propeller manufacturer( )

700.人们对这一问题迄今尚未进行过彻底的探索。( )

699.那些组件和部件的功能是抽吸燃油并将油气混合物转换为动力。( )