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Keyword [Open pit transferring to underground mining]
Result: 1 - 2 | Page: 1 of 1
1.
The High Efficient Mining Technology Of Heishan Iron Deposit During The Period Of Open-pit Transferring To Underground Mining
2.
Experimental Study On The Formation Of Compound Overburden From Open-pit Transferring To Underground Mining In Miaogou Iron Mine
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