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Coal Mining High Pressure Water

design of a longwall water jet mining ma­ chine. The results of this study indi­ cated that, for a given horsepower, coal would be mined more effectively with a lower pressure, larger diameter water jet than with an ultra high pressure, small diameter jet. The results can be illustrated with refer­ ence to two curves which were derived from Our main products include crushing equipment, sand making equipment, beneficiation equipment, grinding equipment and building materials equipment, welcome to purchase;

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