277.Identify the wires with sleeves of different colors ( )

660.CAREFULLY LIFT THE MAGNETIC LEVEL INDICATOR UNTIL YOU [ ]THE MAGNETS( )

659.测量硅胶吸收水分所需的时间。( )

658.THISCONDITION WILL CAUSE DETERIORATIONOF THE STRUCTURE( )

657.Before you [ ]the unit, do the specified test procedure( )

656.When you select terminology or wording, always use a consistent style ( )

655.Back of the title page should be left blank except for items such as a manufacturer’s logo( )

654.Boost pump is an electrically driven centrifugal pump mounted in the bottom of the fuel tanks in large aircraft( )

653.是什么导致的事故仍然是个谜。( )

652.通常,发动机被安装在大翼下,可是,对于现代飞机,两个侧发被安装在机身外侧的吊架上。 ( )

651.拆下将变速箱壳连接至发动机的螺栓。 ( )