“transition from surface mining to underground mining”的概念、定义、翻译、参考文献-科学参考

单词	transition from surface mining to underground mining
释义	transition from surface mining to underground mining Encyclopedia 工学露天与地下联合开采释 transition from surface mining to underground mining露天转地下开采前期用露天采矿法开采矿床上部矿体，然后过渡到用地下采矿法开采矿床下部矿体的开采方式。
随便看	volume pool volume potential volume-preserving volume-preserving mapping volume pulse chart volume range characteristic volume receptor volume receptor reflex volume relaxation volume rendering volume reverberation volume scattering volume scattering model volume shrinkage volume stability of civil engineering materials volume strain volume stress volume symbol volumeter volume texture volume theorem volume theory volumetirc flowmeter/positive displacement flowmeter volumetric volumetric aeration rate

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