Current Situation and Development Direction of CBM Development Technology in China

Release time:

2020-12-07

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Design and Experimental Research of Self-advancing Dynamic Balancing Water Jet Drilling Test Device

Mechanics mechanism of pressure relief drilling for hole protection in soft coal seam

Design and Experimental Research of Self-advancing Dynamic Balancing Water Jet Drilling Test Device

Mechanics mechanism of pressure relief drilling for hole protection in soft coal seam

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