The quality of fuel spray is decided by the structure of nozzle and high-pressurefuel pipe in the pump-tube-nozzle fuel injection system, and it influences the whole diesel combustion.
泵-管-嘴式喷油系统中喷油嘴与高压油管的结构参数决定燃油的喷雾质量，从而影响整个柴油机的燃烧状况。
2
The device is compressed air powered equipment, petrol, with pumpfuel produced to make the role of high-pressure, high-pressure oiling carried out.