burner head meaning in English

气割头
燃烧器喷嘴
燃烧器头部
燃烧室头部

The burner head with energy on economy , high heat efficiency
燃烧头利用能量最经济、热效率高。
When applying the burner to the boiler , it is necessary to correctly position the flange so that the burner head enters the furnace to the extent specified by the boiler manufacture
当燃烧器装在锅炉上时，需要正确定位法兰，使燃烧头按锅炉制造商指定的长度进入炉膛。