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In a junction, there is no fixed pattern of streamlines.
在接头中，流线没有固定图形。
youdao
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The pattern of flow streamlines is same to Archimedes lines.
涡流管内三维流线形态类似阿基米德曲线。
youdao
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The pattern of flow streamlines is same to Archimedes lines.
涡流管内三维流线形态类似阿基米德曲线。
youdao