The spheres have to be dispersed in some form of liquid medium if they are to rotate.
如小珠要旋转那必须是散布于液体当中。
It is the ideal equipment in the pipe system adjusting or cutting liquid medium.
是管道系统中对流态介质进行合理调节或切断的理想设备。
Provides the theoretical data for the vacuum degassing purification and vacuum dry of liquid medium.
为液体介质的真空脱气净化和真空干燥提供了理论数据。
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