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