浮鞋能够防止环空中的水泥浆向套管内流动这种回流或者U型管效应的发生。
The float shoe prevents reverse flow, or U-tubing, of cement slurry from the annulus into the casing.
对无回流间歇曝气系统在沉淀期间进水的可行性和进水效应进行了研究。
A study was made of the feasibility and effect of feeding during settlement in non-backflow intermittent aeration system (NBIAS).
最大回流速度可达主流平均速度57%左右此外，本文还研究了惯性效应。
Its maximum velocity is about 57% of the average velocity of the mainstream. Inertial effect is also studied in this paper.
静脉回流不仅会受到生理因素影响，还明显受到病理性因素、治疗性因素的影响，导致复杂的血流动力学效应。
Venous return can be affected by not only physiological factors but also by the etiology and treatments, and its changes may result in complex hemodynamic alterations.
静脉回流不仅会受到生理因素影响，还明显受到病因和治疗的影响，导致复杂的血流动力学效应。
Venous return can be affected by not only physiological factors but also by the etiology and treatments, and its changes may result in complex hemodynamic alterations.
静脉回流不仅会受到生理因素影响，还明显受到病因和治疗的影响，导致复杂的血流动力学效应。
Venous return can be affected by not only physiological factors but also by the etiology and treatments, and its changes may result in complex hemodynamic alterations.
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