下水平 meaning in English

lower level

Study on stability of horizontal pillars in mining in deep high stress dynamic environment
深部高应力动态环境下水平矿柱开采稳定性研究
Experimental study of the characteristics of the flow around a horizontal cylinder at various gap - ratios
各种间隙比下水平圆柱绕流特性的实验研究
Analysis on soil and water conservation benefit of level terrace under different rainfall condition in loess hilly region
黄土丘陵区不同降雨条件下水平梯田的减水减沙效益分析
The escalator features short distance from lower horizontal guide to the ground , resulting in easiness in installation , maintenance and movement
该扶梯的主要特点是扶梯下水平引导部分到地面的距离短，使扶梯安装简单、维修方便、便于移动。
At the toe of thc stepped spillway if exchange a series of steps for arc section , the highe enersy dissipation can be got bu the pressure is higher in downstream icction
在坝趾处，不设反弧段比设反弧段时的消能率高，但坝下水平段的压强值较大。