funnel box

名词 n.
中文释义

英文释义

名词 n.
  1. An apparatus for collecting finely crushed ore from water.
    — The calcined stuff, as it comes from the furnace, is thrown through a hopper or shaking funnel box between two metal cylinders, through which both the coarſer particles and clods fall

词形变化

funnel boxes plural
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