The fuel state sensing device has a fuel pressure sensor for sensing a bulk modulus of the fuel existing in {HEAD ~ a fuel passage} extending from a discharge port of the fuel pump to {TAIL ~ the injection hole} 
extending to
The fuel state sensing device has a fuel pressure sensor for sensing a bulk modulus of the fuel existing in { HEAD ~ a fuel passage } extending from a discharge port of the fuel pump to { TAIL ~ the injection hole }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL