YAN Wenxue, CHENG Bo. Research progress of gas drainage boreholes sealing materials and matching technology in underground coal mineJ. Safety in Coal Mines, 2021, 52(8): 175-181.
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Citation:
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YAN Wenxue, CHENG Bo. Research progress of gas drainage boreholes sealing materials and matching technology in underground coal mineJ. Safety in Coal Mines, 2021, 52(8): 175-181.
|
YAN Wenxue, CHENG Bo. Research progress of gas drainage boreholes sealing materials and matching technology in underground coal mineJ. Safety in Coal Mines, 2021, 52(8): 175-181.
|
Citation:
|
YAN Wenxue, CHENG Bo. Research progress of gas drainage boreholes sealing materials and matching technology in underground coal mineJ. Safety in Coal Mines, 2021, 52(8): 175-181.
|
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