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