Usually in form open-cut. = opencast, adj.
单词 | θ210306 |
释义 | society > occupation and work > industry > mining > [adjective] > method of mining (5) open cut1869 Usually in form open-cut. = opencast, adj. underhand1877 Mining. Worked from above downwards. open-pit1892 = opencast, adj. opencast1896 Of, relating to, or designating this method of mining. shortwall1912 A short coalface. Frequently attributive, denoting (equipment designed for) a method of mining in which shortwalls are worked. Cf. long-wall n. adj.… |
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