常見例句雙語例句For water, the ratio of flow boundary layer thickness to film thickness is the minimum under the optimum feeding rate.對純物質(zhì)水，最佳進料量對應的流動邊界層厚度與膜厚之比最小。In micro flow, the percentage of effective fluid boundary layer thickness to micro tube radius decreases with the pressure gradient increasing.微流動中，有效流體邊界層厚度占微管管徑的比例隨壓力梯度的增大而降低；The analysis result of velocity distribution and boundary layer thickness is put forward in the boundary layer and cored region for laminar and turbulent flow of pipeline.采用動量積分方法推出了管道流動中的速度邊界層方程，給出了管道層流和紊流時速度邊界層和核心區(qū)中的速度分布、邊界層厚度的解析結(jié)果，并與馮。 返回 boundary layer thickness