The surface fire and bottom fire apply separate burning poles, the gas and air is mixed in certain proportion and feeding into the burning pipe by fan.
The surface fire and bottom fire apply separate burning poles, the gas and air is mixed in certain proportion and feeding into the burning pipe by fan.
面火，底火各用一根独立的燃烧棒，利用风机把燃气、空气按适当比例混合后送入燃烧管内。