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Gangue is waste generated in the coal production process, including the discharge of waste rock, the rock laminated rock roadway excavation excavation waste rock, the coal mining process, from the roof, floor and folders in the coal mining and coal w...

The use of diabase artificial aggregate in concrete has not been found at home and abroad。and the first problem to be solved is crushing disbase．Crushing test on diabase artificial aggregate is done to get the conclu sion that hard diabase cannot be ...