喷油器冷却水
fuel injector cooling water
喷油器冷却泵
injector cooling pump
fuel valve cooling pump
fuel injection valve cooling pump
fuel injector valve cooling pump
injector colling pump
喷油器冷却系统
fuel valve cooling system
喷油器喷油试验器组件
injector pop tester group
喷油器喷油正时检查
injector fuel timing check