free sedimentation
美 [friː ˌsedɪmenˈteɪʃn]英 [friː ˌsedɪmenˈteɪʃn]
- 自由沉降
free sedimentation-
Based on the principles of turbulent dispersion and free sedimentation of dust particles in the wind of mine , controlled recirculation ventilation field-testing was done by using self-purification function in shallow empty districts and old tunnels .
根据粉尘粒子在井巷风流中的紊流弥散及本身的自由沉降的原理，利用采空区、旧巷自净作用进行可控循环通风现场试验。
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Sedimentation is applied widely in wastewater treatment . Grasp the regulation of free sedimentation by this experiment .
沉淀法是污水处理应用最广泛的方法之一，通过此实验掌握自由沉淀规律。
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