后屏 meaning in Chinese

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Through measuring residual swhirling flow field in the flue duct of a real boiler , and analysing layout features of front and back platen supe - heaters in large - scale tangential firing boilers , the flue gas energy distribution regularity in horizontal flue duct of tangential firing boilers has been studied
摘要通过对实际锅炉烟道烟气残余旋转流场的测量及大型切圆燃烧锅炉前、后屏过热器的布置特点分析，研究了切圆燃烧锅炉水平烟道烟气能量的分布规律。