The F-16 pilot hears a thunk behind his head and another air-to-air refueling operation is underway.

F-16的飞行员听到头后面传来“铛”的一声，就知道又一次的空中加油行动开始进行了。

youdao

The LNG dispenser, refueling island, fire suppression system, bus refueling operation sequence and maintenance facility, etc. of a LNG refueling station are introduced.

介绍液化天然气灌装站的LNG分配器、岛式站台、消防系统、LNG公共汽车灌装程序及其保养设施等。

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Ruixue Supermarket Management System Design and Implementation used to be perpendicular operation to the students, and refueling.

瑞雪超市管理系统的设计与实现用于给将要交作业的同学们，加油！

youdao

U.S.officials say,in addition to the refueling operation, Japan has contributed $2 billion worth of aid to Afghanistan during the last eight years.

VOA: standard.2009.10.20