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Keyword [Pre-drilling pump]
Result: 1 - 3 | Page: 1 of 1
1.
Pre-extraction Coal Seam Gas Drilling Of Numerical Simulation And Application
2.
Research On SF
6
Gas Tracer Analysis To Determine The Effective Radius Of The Drilling Auxiliary By Computer Simulation
3.
Study On The Drilling Distance And Negative Pressure Of 2601 Working Face Gas Pre-drainage In Zhangcun Coal Mine
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