... velocity modulation, adjust oil supply voltage between 0~2000bar.2. May check the BOSCH injector, DENSO injector and Delphi injector 3 ... time.6. Examine the sealing property of the injector.7. May establish the driving signal including the peak voltage, the pulse ... width, the frequency, and the spraying time.8. May realize spray hole single spraying and spray continuously.3.Technical ...