steam header是什么意思

用法例句

In this paper, the situation and treatment of cracks in steam header of boiler Unit 3 in 150 Power Plant are described.

文章叙述了一五○发电厂#3炉集汽联箱裂纹的情况及处理过程,简要分析了缺陷产生的原因,并提出了建议。