644.使用过滤器去除滑油中不需要的物质。 ( )

293.确保材料的保质期未过期。( )

292.恢复电池容量至要求的标准。 ( )

291.If the fuel leak originates at the valve, replace the valve seals ( )

290.Remove the caps from the hoses ( )

289.手册应从联邦航空法规 43 部获取飞行员可以执行的项目清单( )

288.找出损伤类型和尺寸 ( )

287.转动盖子,直到你能接触到有+和-标记的插孔。 ( )

286.The CAP will address primary and secondary airframe components , and primary and secondary systems to accomplish the stated objective of continued airworthness( )

285.系统中用于记录机组成员通话的部分( )

284.That portion of the system used to induct and distribute air Includes equipment rack cooling

systems and items such as blowers, scoops, ducting, inlets, check valves, etc Does not include valves which are part of pressurization and temperature control( )