Meanwhile, if it is raised to the extent such that the horizontal gas flow is prevented, {HEAD ~ the horizontal gas flow} into {TAIL ~ the air discharging tube port} is disordered, so that it accounts for arousing the flicker of the flame 
into
Meanwhile , if it is raised to the extent such that the horizontal gas flow is prevented , { HEAD ~ the horizontal gas flow } into { TAIL ~ the air discharging tube port } is disordered , so that it accounts for arousing the flicker of the flame
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH