a bypasses flow rate control valve configured to control {TAIL ~ a flow rate} of the exhaust gas flowing in {HEAD ~ the bypass path}, 
a bypasses flow rate control valve configured to control { TAIL ~ a flow rate } of the exhaust gas flowing in { HEAD ~ the bypass path } ,
OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH