oil burner route

短语

词形变化

oil burner routes 复数 oil burner routes

释义与例句

n.
  1. 1.

    A region of airspace in which military jets are authorized to carry out low-altitude training.

    俚语 航空 商务 工程 政治 军事

词源

In reference to the smoke trails that jet engines may leave behind at low altitudes.

来源：wiktionary