The present invention can be employed for {HEAD ~ an engine} having {TAIL ~ a variable series supercharging system} 
having
The present invention can be employed for { HEAD ~ an engine } having { TAIL ~ a variable series supercharging system }
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL