Then, {HEAD ~ the purpose} of {TAIL ~ the present invention} is to provide an engine and a control method which can control accurately a variable series supercharging system 
of
Then , { HEAD ~ the purpose } of { TAIL ~ the present invention } is to provide an engine and a control method which can control accurately a variable series supercharging system
OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH