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Expansion and contraction of blood vessels of normal blood flow is essential.
血管的扩张和收缩对血液的正常的流动是必需的。
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The flow in a pipe with sudden expansion is numerically studied in this paper.
本文对突扩管道的流动进行了数值研究。
youdao
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The flow in a pipe with sudden expansion is numerically studied in this paper.
本文对突扩管道的流动进行了数值研究。
youdao