The interlocking member is disposed outside the first intake air passage or the second intake air passage, and {HEAD ~ swings} by interlocking with {TAIL ~ the swinging} of the opening and closing valve 
by interlocking with
The interlocking member is disposed outside the first intake air passage or the second intake air passage , and { HEAD ~ swings } by interlocking with { TAIL ~ the swinging } of the opening and closing valve
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH