open-pit
柯林斯詞典
1. N-COUNT An open pit is a mine where the coal, metal, or minerals are near the surface and underground passages are not needed. 露天礦[美國英語]
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open pit (open pits)
劍橋詞典
- →? opencast
露天挖掘的 返回 open-pit
露天挖掘的 返回 open-pit
露天挖掘的 返回 open-pit