strip mining
柯林斯詞典
1. N-UNCOUNT Strip mining is a method of mining that is used when a mineral is near the surface and underground passages are not needed. 露天開(kāi)采[美國(guó)英語(yǔ)]
返回 strip mining
1. N-UNCOUNT Strip mining is a method of mining that is used when a mineral is near the surface and underground passages are not needed. 露天開(kāi)采[美國(guó)英語(yǔ)]