释义 |
California-type dredge California-type dredge[¦kal·ə¦fȯr·nyə ‚tīp ′drej] (mining engineering) A single-lift dredge in which closely spaced buckets deliver to a trommel; oversize rocks are piled behind the dredge by a conveyor or stacker; the undersize are washed on gold-saving tables on the deck, and tailings discharge astern through sluices. |