单词 | sluice-box |
释义 | sluice-box [sluice n. 5.] One of the long troughs of which a gold-washing sluice is composed; a riffle-box.
1857Hutching's Mag. July 7/1 A continuous line of these troughs or ‘sluice boxes’, the smaller and lower end of each, inserted for three or four inches into the larger end of the next one below, form the ‘sluice’. 1864Richmond-Atkinson Papers (1960) II. ii. 110 You will not be quite out of the rattle of the shovel, long tom, and sluice box, for we are very golden just now. 1874Raymond Statist. Mines & Min. 17 The long tunnel becomes a sluice-way, through the whole length of which sluice-boxes are laid at once. 1879R. J. Atcherley Trip to Boërland 114 A long square trough, termed a ‘sluice-box’, about a foot in width and 20 feet long. 1882U.S. Rep. Prec. Metals 642 Below this tank, and running down the bed of the ravine, are the sluice boxes. |

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