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81. Casting-forging Integral Process For Mg Control Arm Manufacturing
82. Research On The Gateway Arrangement And Controlling Technique Over The Surrounding Rocks In Coal Seams Group With Close Distance
83. Study On The Stability And Control Technology Of Surrounding Rock Of Shallow Roadway Close Above Goaf
84. Study On The Height Development Of Cracking Zone And The Deformation And Failure Characteristics Of The Overburden During Repeated Mining Of Double Seam
85. Study On Mining Technology Of The Working Face In Pressure Relief Area Of Close Multiple Coal Seams
86. Heave Mechanism And Countermeasures Of Large Section Mining Roadway For Close Distance Coal Seams
87. Study On Optimal Layout Supporting Technology Of Ultra-close Distance Lower Thincoal Seam Mining Roadway
88. Study On Reasonable Width Of Sections Coalpillar In Mining The Ultra-close Multiple Seam
89. Research On Mining Scheme Of Close-distance Seams In Xinzhi Coal Mine
90. Study On Control Mechanism In Surrounding Rock Of Stope In Large Inclined Angle Coal Thick Seam Under Complex Engineering Geology Conditions
91. Research Of Mine Locomotives Location System Based On Zigbee Network
92. Study On The Roadway Failure Mechanism And Supporting Technology Of Close Multiple-seams Mining
93. Study On The Pressure Feature And Staggered Distance Of Ultra-close Seams Combined Mining In Daanshan Coal Mine
94. Research On Rock Burst Prevention And Control About Close Distance Coal Seams Mining In The No.2JiNing Coalmine
95. Effects Of Hydraulic Fracturing On Stress Distribution In Mult-seam Mining Condition
96. Research On Mechanized Mining Technologies Of Hard Top Rock And Hard Coal Thin Seam In The Da Dougou Coal Mine
97. Gas Distribution Of The Upper Gob Of Close Inflammable Goal Seams Mining
98. Research On Dynamic Evolution Rules Of Mining-Induced Fractures And The Technology Of Gas Extraction In The Close-Distance Coal Seam Group
99. Study On Gas Migration Law And Extraction Of Lower Protective Layer Mining In Close Coal Seams
100. Study On The Mining Working Face CO Source And Accumulation Of Close Distance Coal Seams
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