399.The first step in listing possible causes of each trouble is to show what sections of the system may be at fault ( )

538.拆下油箱和油箱上的连接件。 ( )

537.That portion of the system which utilizes voice modulated electromagnetic waves to transmit and/or receive messages from air-to-air, or air-to-ground installations( )

536.That portion of the system that automatically controls the position of the throttles to properly blend engine power with flap position and aircraft pitch attitude during landing/approach and go around procedures This includes engaging, sensing, computing, amplifying, controlling, actuating and warning devices such as amplifiers, computers, servos, limit switches, clutches, gear boxes, warning lights, etc( )

535.当发生这种情况时,详细的规范应注明经许可的偏差。( )

534.Operators should inspect both reservoirs for proper servicing during the same inspection( )

533.Liquid soap is a good, nonstaining lubricant for most seals( )

532.Landing gear position has no effect on stall speed( )

531.Calibrated Airspeed means the indicated speed of an aircraft, corrected for position and instrument error ( )

530. Instead of using the actual date of issue on each page of an original issue of a Document， the words "original issue" may be used In such a case， the Title Page and the Table of Contents pages preceding each section of the Document mustbear the actual date of issue following the words "original issue"

529.反推是把尾喷管的反向形成的力( )