| 摘要 |
A material reducing apparatus includes a hopper having a pair of opposed sides, a front end and a back end. The back end has a top and bottom and a shearing edge at the bottom. A chain with bits forms the floor of the hopper. The chain is on a boom. Drive means drives the chain so that the bits move towards the shearing edge. The moving bits cooperate in reducing material conveyed on the chain and cooperate further with the shearing edge to reduce the material to a predetermined size.
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