【简答题】An air waybill is( ).
【简答题】an air waybill number
【简答题】An AWB is called a( )if the air carrier is not specified in the air waybill.
【简答题】the Air Waybill(AWB)
【判断题】House air waybills are often accompanied by a master air waybill for consolidated shipments.( )
【单选题】β - 胡萝卜素的效价相当于维生素 A 的