large capacity 60series grading teeth-roller medium ...
Double Toothed Roll Crusher from China . 2021-1-2 · Before the 1990s, the technology of the toothed roller crusher could not strictly control the particle size of the crushed product, the crushed product had a large amount of over crushing, the body received a large impact load, the crushing teeth were easily damaged, the noise was very loud, and the maintenance amount was large.
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