oil vapor backstreaming是什么意思

用法例句

Two 420t/h corner anthracite-fired boilers of Jao Zuo AES Wan Fang Power Company Limited were successfully retrofitted by using high temperature gases recirculating tech-nology, pulverized coal enrichment technology and staged combustion technology.

该文就焦作爱依斯万方电力有限公司2台420 t/h无烟煤锅炉运用高温烟气回流技术、煤粉浓缩技术、分级燃烧技术,进行了成功的改造,在低负荷稳燃、降低飞灰可燃物、减少炉膛出口两侧烟温偏差、提高锅炉效率等方面均取得较为显著效果。