The storm had a distinctive comma shape-reminiscent of a hurricane-that forms when air circles around a low-pressure center.

此次风暴形状为独特的逗号形状——叫人联想到飓风——当空气流环绕一个低气压中心流动时形成此状。

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Centrifugal FLOW compressor, a type of compressor in which air is taken into the center of the impeller and is slung outward centrifugally into a diffuser where it is slowed and pressure is increased.

离心式压气机，压气机的一种。当进气到达叶轮中心时，被叶轮离心抛出进人扩散器。在扩散器中气体流速减慢，压力增加。

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Centrifugal FLOW compressor, a type of compressor in which air is taken into the center of the impeller and is slung outward centrifugally into a diffuser where it is slowed and pressure is increased.

空气被吸入叶轮中心，被叶轮离心抛出进人扩散器。在扩散器中气体流速减慢，压力增加。

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