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