آلة طحن المبرد
طحن المبرد آلة. Cutting fluid - WikipediaCutting fluid is a type of coolant and lubricant designed specifically for metalworking processes, such as machining and stamping. There are various kinds of cutting fluids, which include oils, oil-water emulsions, pastes, gels, aerosols (mists), and air or other gases. ...