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