The results show that both magnesium alloy and aluminum alloy melt fully exhibit laminar flow during filling process.
镁合金熔液在整个充型过程中完全属于层流流动,铝合金熔液也属于层流流动。
参考来源 - 铝、镁合金进气歧管倾转铸造的特点Based on the stratified flow model, a study was conducted on the flow distribution characteristics of gas-liquid two phase flow through small holes on pipe walls.
以开有小孔的管壁为研究对象,对层流下气液两相流通过管壁小孔的分配特性进行了理论分析和试验研究。
参考来源 - 气液两相流通过管壁小孔分配特性的试验研究·2,447,543篇论文数据，部分数据来源于NoteExpress
这个政党已经无法吸引那些向社会更高层流动的选民。
The party has been unable to attract upwardly mobile voters.
教育已不再是社会阶层流动的可靠途径。
在圣何塞，这样的阶层流动更加困难，这引发了人们对这种阶层流动基本信念持久性的质疑。
That such mobility has become more difficult in San Jose raises questions about the endurance of that foundational belief.
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