sand scouring by flow contraction 束水攻沙
flow contraction coefficient 水流收缩系数
flow contraction spinning 流动缩旋
contraction-flow 收缩流动
Planar contraction flow 平面收缩流动
contraction of flow 流动收缩
Blood pressure: Force originating when the heart's pumping pushes the Blood against the walls of the Blood vessels. Their stretching and contraction help maintain Blood flow.
血压：血液作用于血管壁的压力，产生于心脏的泵推作用。血管的舒张和收缩对维持血液的流动有所帮助。
Contraction flow behavior contributes significantly to the orientation and structure of molecular in micro injection molding.
聚合物流体的收缩流动行为是微注射成型工艺过程中影响分子取向与结构的重要因素。
This research also indicated that quickened blood flow velocity had no relation to blood rheology, it was due to vascular contraction and increased resistance.
本研究还表明高压氧进出舱前后脑血流速度的加快与血流流变学无明显关系，而是由于血管收缩、血管阻力增加所致。
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