| 释义 |
- 1
But that is essentially the story with Fan Pier, a former industrial blight on the South Boston waterfront being transformed, albeit slowly, into a hub of fashion, art and dining. 但是Fan Pier地区是一个例外，这里曾经是波士顿南部海滨工业区，随着其工业的逐渐衰退而慢慢被改造成集时尚，艺术和餐饮为一体的中心。 - 2
This clutch is positioned at the hub of the fan, in the airflow coming through the radiator. 这种离合器被放置在风扇的中心和通过散热器的气流的中心。 - 3
Final design scheme is confirmed after economic and technical analyse. Then, axial fan 's stage type, impeller diameter, hub ratio , specific speed and the number of blades are decided. 在进行经济技术性分析后，最终确定风机的设计方案，进而确定通风机适当的级型式、叶轮尺寸、轮毂比、转速和叶片数等基本参数。
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