block hour
短语词形变化
block hours
复数
block hours
释义与例句
n.
-
1.
The time from the moment an aircraft pushes back from the gate at departure of a revenue flight, until the moment the aircraft makes its final stop at the arrival gate following its landing. Equal to flight hours plus taxi time.
航空 商务 工程Some airlines average more than twelve block hours a day from their long-haul aircraft.