Can tomorrow's sand flow through the glass before today's?
想着明天的种种，今天的时光也白白流逝了。
In this paper, influence of wind-sand flow on soil wind erosion was discussed using portable wind tunnel to simulate natural wind.
通过在便携式风洞内模拟挟沙气流，研究了风沙流对土壤风蚀的影响。
Can sand flow upward in the hour glass?
时间的沙漏能倒流吗？
It has been shown that the velocity of sand flow and airflow at the entry of core-box was quite different.
结果表明，射砂孔位置的气流和砂流速度有显著差别。
The pile foundation is a method of disposing the foundation, it is unfavorable to encounter sand flow in the pile foundation.
桩基是土木工程各种施工中常见的地基处理方法，但桩基施工最怕出现不良地质，尤其是涌砂。
Through field survey of wind sand flow movement in the 100 km wind area along the Lan-Xin Railway, a new concept, the density of wind sand flow, is put forward.
通过对兰新铁路百里风区戈壁风沙流进行现场观测研究，提出风沙流密度的新概念，解决风沙流研究中如何利用现场定时观测研究风沙流动态变化特点的重大技术难题。
Through field survey of wind sand flow movement in the 100 km wind area along the Lan-Xin Railway, a new concept, the density of wind sand flow, is put forward.
通过对兰新铁路百里风区戈壁风沙流进行现场观测研究，提出风沙流密度的新概念，解决风沙流研究中如何利用现场定时观测研究风沙流动态变化特点的重大技术难题。
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