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