particle free sedimentation 颗粒自由沉淀
The effects of velocity ratio of free streams on the particle sedimentation in liquid-solid two phase plane mixing layer are studied by flow visualization method.
本文采用流动显示的方法对平板混合层中上下层流体速度比对固体颗粒在混合层中沉降的影响进行了研究。
Sedimentation tank shall be weekly cleaned to ensure free flow in pipes.
日常每周一次对沉淀池进行清理，保证管道畅通；
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