旁流（side stream）从循环冷却水中充分流出来，经适当处理后，再返回系统。
板块分离时，岩石圈或地壳象盖子般移到一旁，液态软流层中的熔岩渗溢而出。
As the plates spread apart, the lithosphere, or crust, is moved aside like a lid, allowing molten rock from the liquid asthenosphere to seep through.
于左心长轴观、心尖或胸骨旁四腔观以及反流束横断面方位显示偏心性反流束的整体形态，评价二尖瓣的反流程度。
Its stereoscopic shape was observed in long views, the apical and parasternal four chamber views of left ventriculum and its regurgitant extent were estimated.
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