Friday, 03 July, 2026г.
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CONRAD combi 500 reverse circulation drilling with airlift

CONRAD combi 500 reverse circulation drilling with airliftУ вашего броузера проблема в совместимости с HTML5
With reverse circulation drilling, a rotating drillstring is used, provided with a bit at the lower end. The cutting diameter of the bit is a lot larger then the outside diameter of the drillstring. To get the cuttings out of the borehole, a fluid flow is used. Created with MAGIX Video deluxe 17 Plus
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