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单词 opencast
释义

opencast

/ˈəʊpənkɑːst/
Brit. denoting a method of mining in which coal or ore is extracted at or from a level near the earth's surface, rather than from shafts
〈英〉露天挖掘的。
mass noun
the process of mining in such a way
露天采矿。
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更新时间:2025/2/12 5:18:53