The utility model is mainly characterized in that holes are arranged through a multi-layer ring and the oblique triangle so that the filler has good mass transferring performance.
本实用新型的重要特点是采用多层环和斜三角开孔，从而使该填料具有良好的传质性能。
The utility model is mainly characterized in that holes are arranged through a multi-layer ring and the oblique triangle so that the filler has good mass transferring performance.
本实用新型的重要特点是采用多层环和斜三角开孔，从而使该填料具有良好的传质性能。
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