The fracture surface of a failed injection valve nut of diesel engine high pressure oil pump was investigated by visual and SEM.
对断裂的汽车柴油机高压出油阀紧座的宏观、微观断口及显微组织进行了研究。
2
Our company is specialized in series of diesel engine, electric fuel pump, oilinjection nozzle, start machine and accessories used for cars and light duty trucks.
本公司专业生产电动燃油泵、喷油嘴及起动机系列产品，适用于轿车、轻卡及柴油机配套产品及配件。
3
The invention belongs to the engine manufacturing technical field, in particular relating to a direct injectionengine for injecting water and oil into a cylinder.