| 单词 | strip mining |
| 释义 | > as lemmasstrip mining strip mining n. U.S. a method of mining in which surface material is removed in successive parallel strips to expose the mineral, the spoil from each new strip being placed in the previously excavated one. ΘΚΠ society > occupation and work > industry > mining > [noun] > other specific types of mining shoading1778 nuggeting1852 placer mining1852 reefing1859 hydraulic mining1873 stripping1874 drift mining1877 gouging1877 hydraulicking1880 open-working1881 strip mining1935 horizon mining1947 roadheading1969 1935 Coal Age Feb. 91/1 This first-and-second method of strip mining cannot be employed economically with shovel equipment which must operate down in the cut. 1949 Hansard Commons 19 May 706 Strip-mining, as it is known in America, and opencast work in regard to gypsum..or any..base metal is essentially a mining problem. 1949 Hansard Commons 19 May 706 There were..technicians in the country..familiar with American strip-mining methods. 1970 New Scientist 21 May 364/2 Nuclear explosions are also planned for strip-mining large deposits of non-ferrous metals in the northern territories. 1977 Economist 23 Apr. 52/2 The technique of stripmining—clearing the topsoil above a coal seam to scoop out the coal with bulldozers—once seemed an answer to low productivity. < as lemmas |
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