Third, in order to calculate microscopic sweep efficiency in pore models, we define sweep boundary of displacement fluid, and determine it by velocity method.

第三，为了计算孔隙模型的微观波及效率，本文给出了驱替液波及边界的定义，并采用速度法确定其在流场中的位置。

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The truck can complete the well site flushing operation itself, and has the advantages of big flushing fluid capacity, good water treatment, and high efficiency, handiness and good acclimation.

该洗井车具有能单独完成井场洗井功课的成果，同时还具有洗井强度大、水处理结果好、高效、轻便、适应环境强等特性。

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The multi-cup uniform flux gas anchor is obviously better than ordinary gas anchor on effects of separating gas from fluid, the degassing efficiency will be greatly improved by the kind of gas anchor.

多杯等流型气锚在气液分离的效果上明显优于普通的气锚，采用该气锚对脱气效率会有较大提高。

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And the afterglow of that historic achievement was evident in the admirable tactical nous they executed in the first half as they stifled the Netherlands' search for fluid creativity with regimental efficiency in front of a near-full Moses Mabhida Stadium.

BBC: Netherlands 1-0 Japan