人类对飞行距离的追求永无止境,空中加油机的出现,使人类向梦想迈进了一大步。但这是一个永远无法完美的世界,因战争的需要而飞速发展的空中加油机带给我们震撼的同时,也许还带来了担忧。 The endless pursuit of human flight distance, the emergence of air tankers, so that humanity has taken a big step toward the dream. But this is a world that can never be perfect. While the tanker aircraft that has been rapidly developing due to the needs of the war have shocked us, perhaps it has also brought worries.