REN Hong, YIN Kun, WANG Qing-yan, HAO Shu-qing. Development of experimental apparatus about reverse circulation bit[J]. COAL GEOLOGY & EXPLORATION, 2006, 34(3): 78-80.
Citation: REN Hong, YIN Kun, WANG Qing-yan, HAO Shu-qing. Development of experimental apparatus about reverse circulation bit[J]. COAL GEOLOGY & EXPLORATION, 2006, 34(3): 78-80.
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Development of experimental apparatus about reverse circulation bit

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  • A set of experimental apparatus on reverse circulation bit are developed in order to lucubrate the mechanism of the new type reverse circulation bits,and the structure of the bits that influece the ability of taking core and carrying powder.Both the major structure of the equipment and the procession of experiment are described.
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