Therefore, according to the present invention, {TAIL ~ each feed} in {HEAD ~ the feed array} 22 is positioned relative to each other on a predetermined contour rather than on a common plane 
Therefore , according to the present invention , { TAIL ~ each feed } in { HEAD ~ the feed array } 22 is positioned relative to each other on a predetermined contour rather than on a common plane
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 OTH OTH OTH OTH OTH OTH OTH OTH