• The cross section of the passage is a regular or irregular plane polygon, and then the specific surface area is large and the mass transfer efficiency is high.

    通道截面为规则不规则平面多边形因而表面积效率高。

    youdao

  • The cross section of the passage is a regular or irregular plane polygon, and then the specific surface area is large and the mass transfer efficiency is high.

    通道截面为规则不规则平面多边形因而表面积效率高。

    youdao

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