9 see joke: Attendant of airport conning tower, hear driver of a helicopter, the in sad earnest reports he in the sky has decided helicopter in some azimuth 1000 meters.

• 9看笑话： 机场指挥塔值班员，听到一个直升飞机驾驶员，一本正经地报告他已经把直升飞机定在某方位上空1000米。