A fuel state sensing device is applied to {HEAD ~ an injector injecting fuel}, which is supplied from a fuel pump, though {TAIL ~ an injection hole} 
is supplied though
A fuel state sensing device is applied to { HEAD ~ an injector injecting fuel } , which is supplied from a fuel pump , though { TAIL ~ an injection hole }
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL REL OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL