水淹层
A thin layer of topsoil was swept away.
薄薄的一层表土被冲走了。
The intraformational heterogeneity controls and affects the swept volume of the injectant in single sand layer, directly determines the waterflood efficiency, and is the key factor influencing the distribution of the remaining oil.
层内非均质性控制和影响单砂层内注入剂波及体积,直接决定水驱效率,是影响层内剩余油分布的关键因素;
An experimental investigation about three-dimensional shock wave and turbulent boundary layer interaction with swept compression corners has been carried out in BUAA.
本文给出了由后掠压缩角模型引起的激波和湍流边界层干扰的实验研究结果,着重提出了柱形干扰中的尺度特性。
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