open pit and underground mine
... open path Fourier transform infrared 长光程傅里叶变换红外光谱仪 open pit and underground mine 露天地下开采 open source framework 开源框架 ...
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open pit and underground mine
露天矿和地下矿
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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The hanging wall ore of the open-pit is one of important projects in transition from open pit to underground in Daye iron mine, and the shallow hole shrinkage mining method is adopted in the project.
大冶铁矿露天采场挂帮矿是该矿山露天转地下项目的重要工程，采用浅孔留矿法进行开采。
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