The device is compressed air powered equipment, petrol, with pump fuel produced to make the role of high-pressure, high-pressureoiling carried out.
本设备是以压缩空气作动力的注油设备，借助泵的作用使油料产生高压，利用高压进行注油。
2
The utility model discloses an oil returning pipe which can quickly reduce the sudden increase of recoil pressure when an oiling car carries out pressureoiling for airplanes.