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1.
Research On The Safe And Efficient Blasting Technology Of Hard Rock Roadway With Large Section In Deep Coal Mine
2.
The Detection Research To Goaf Of Open Pit Iron Mine In Anqian
3.
Study On The Current Situation And Countermeasures Of The Laws And Regulations System Of Heilongjiang Province In The Field Of Work Safety
4.
Study On The Influence Of Power Policy Uncertainty And Carbon Emission Price On Power Demand
5.
Identification Of Key Risks Of Coal Mine Safety Accidents Based On Cases And Standards
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