jun 27,2017 more details pakistancrushers contact.php pe jaw crusher crushing machine railway,water conservancy and chemical
5 results - jaw crushers operate according to the principle of pressure crushing.they are sui le for medium hard to hard stone and gravel for feed sizes up to 250 mm.
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a crusher is a machine designed to reduce large rocks into smaller rocks,gravel,or rock dust.the earliest crushers were hand held stones,where the weight of the stone provided a boost to muscle power,used against a stone anvil.
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