如果空气回流受阻，那么风扇会转，却不会吹动空气。
悬空支架式设计，能有效避免静脉回流受阻。
Suspending bracket design is able to avoid obstruction of venous reflux effectively.
结论BCS肝脏血液回流受阻，肝脾形态及血流动力学发生了相应改变；
Conclusion The morphology and hemodynamics of liver and spleen in patients with BCS greatly changed due to the retardation of the venous flow from the liver.
脑积水病人，双侧脑室明显扩大。脑积水是由于脑脊液吸收减少或回流受阻形成的。
Note the marked dilation of the cerebral ventricles. This is hydrocephalus. Hydrocephalus can be due to lack of absorption of CSF or due to an obstruction to flow of CSF.
急性脊髓损伤后血流动力学的变化提示进行性的“创伤后缺血”，静脉回流受阻可能是引起创伤后缺血的一个重要因素。
Such changes after acute spinal cord injury indicate progressive post-injury ischemia. The occlusion of veins may be an important contributor to post-injury ischemia.
急性脊髓损伤后血流动力学的变化提示进行性的“创伤后缺血”，静脉回流受阻可能是引起创伤后缺血的一个重要因素。
Such changes after acute spinal cord injury indicate progressive post-injury ischemia. The occlusion of veins may be an important contributor to post-injury ischemia.
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