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Experimental study on automatic docking technology of grouping screen pipe for hydraulic transportation in drill pipes

It is an effective hole protection measure to ensure the effect of gas drainage in the mining process of the working face by using the screen pipe to complete the borehole after the directional long hole drilling in the coal seam roof. In order to study the feasibility of using the large-diameter dr...

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Hlavní autor: Jinbao ZHANG
Médium: Artigo
Jazyk:Chinês
Vydáno: Editorial Office of Safety in Coal Mines 2024-07-01
Edice:Meikuang Anquan
Témata:
On-line přístup:https://www.mkaqzz.com/cn/article/doi/10.13347/j.cnki.mkaq.20231586
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