The present direct injection internal combustion engine includes a fuel injection valve that injects {HEAD ~ fuel} toward {TAIL ~ a cavity} provided at the crown surface of a piston 
toward
The present direct injection internal combustion engine includes a fuel injection valve that injects { HEAD ~ fuel } toward { TAIL ~ a cavity } provided at the crown surface of a piston
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH