明焰 meaning in Chinese

flaming
open flame

Standard practice for operating open flame carbon arc light apparatus for exposure of nonmetallic materials
非金属材料曝光用明焰碳弧光仪器操作的标准规程
Huayao has researched and developed several advanced kiln & furnace series and supported products that are suitable for china national conditions , of which the open - flame roller kiln for daily - use ceramics production was recognized as national torch project , and six products were praised with china national science and technology award
自行研制开发出符合我国国情的多个先进窑炉系列及配套产品，其中应用于日用瓷生产的明焰烧成装配式辊道窑项目被定为国家火炬计划项目， 6项产品获得国家科研技术奖励。