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