aerated sand column 充气砂柱
sand column model 砂柱试验
sand column height 砂柱高度
sand column experiments 土柱模拟实验
Leaching method with sand column 沙柱淋溶法
sand pack column 填砂柱
For serious formation leakage, the working fluid can't carry sand column to ground surface in the process of sand washing.
由于地层漏失严重,作业冲砂施工过程中工作液无法将井筒内的砂柱携出地面。
The group will change the depth of the sand column, add rusty nails to several pails (in an effort to increase virus removal), and alter other parameters.
研究小组还将使用改变沙柱深度,在几个桶里添加生锈的钉子(增加病毒移除的效果),和改变其他参数等方式加以实验。
The sand column, saturated at its lower portion and initially in the condition of hydrostatic equilibrium, is drained at its bottom at constant head.
砂柱下部饱和并处于静水平衡状态,在底部为定水头的条件下进行排水。
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