The Mielec M-15 is a jet agriculturalaircraft, developed and manufactured in Poland in the 1970s by an order of the USSR.
梅莱茨m - 15是农用喷气机，20世纪70年代，在苏联命令下由波兰设计和生产。
2
Furthermore, in this paper is described a five-channel detection system with fiber optics for the liquid level, which is used in agriculturalaircraft successfully.
还具体介绍了已成功地应用于我国农业飞机的五通道光纤液位检测系统。
3
Foreign demand for advanced machinery is huge; exports of civilian aircraft, drilling tools, telecommunications equipment, agricultural machinery and excavators all rose at double digit rates in 2007.