九热视频,韩国欧美一级毛片免费,一男一女的一级毛片,六月丁香婷婷色狠狠久久,香港特级a毛片免费观看,四虎影视免费永久在线观看黄,亚洲久草

Kiln gap is a common situation during the production and it wastes a great amount of fuel. We have already notice this problem and find out the method to solve it. When there is an kiln gap, the signal of tile body sensor will be conveyed to the combustion air valve and gas valve, then lower the air flow and gas flow to maintain the set burning curve and temperature, so as to maximize the fuel saving as well as power saving for fan.