Most of Chinese cooking gas appliances in existence adoptpartially-aerated combustion or blast combustion.Its thermal efficiency is low, only about 20%commonly, wasting energy seriously.

• 现有中餐燃气炒菜灶绝大多数是采用大气式或鼓风式燃烧，其热效率较低，一般仅为20%25左右，能源浪费严重。