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N a large funnel having a tap in its output tube, used to separate immiscible liquids 分液漏斗 [chem]
separatory funnel
The way of the sand funnel make use of separating mechanics of spiraling flow to breed out the sediment of the channel.
漏斗排沙方式利用螺旋流的分离机理来排除渠道泥沙; 平轴螺旋管流排沙是利用在管间加设导叶的方式产生螺旋流来输运泥沙。
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