roof crane是什么意思,roof crane的中文翻译,roof crane的用法例句-行业英语-优校网

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1)roof crane,屋顶起重机2)multiple-eave roof,重檐屋顶3)double roof,双重屋顶4)roof fan,屋顶风机5)roof aerodrome,屋顶机场6)locomotive jack,机车千斤顶;机车起重机

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。

行业英语