In this paper, the structure of roof fan has been improved and designed through the analysis of the leaking theory of roof fan.
通过对屋顶风机漏雨理论的分析,对屋顶风机的结构进行了改进设计,该设计方法使屋顶风机的漏雨问题得到有效的解决。
This paper mainly introduces the frequency control technique and technical innovation for large-type roof fan.
简介了大型屋顶风机变频调速技术及技术创新性。
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