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利用三维粘性流动数学模型,研究了台阶突扩流动的三维特性。
The characteristics of the flow over a backward facing step are studied by use of a 3 D viscous flow mathematical model.
环空管道后台阶突扩流动是空气正循环钻井过程中十分重要的关键部分,直接决定了钻探岩屑是否能够顺利上返地面。
The flow over a backward facing step of an annular tube is a very important part of air drilling, determining the detritus going back to the ground successfully.
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