粉碎室底部设置“U”型二次粉碎机构， 提高物料打击次数， 粉碎粒度更均匀。

The U type second time grinding unit is installed at the bottom of the grinding chamber to increase the number of material pounding and make the grain size more homogeneous.

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特殊结构的二次粉碎室，加大设计的大转子直径，获得更高的锤端线速度，粉碎效率提高20%；

Particular structure of regrinding chamber with a enlarged rotor diameter contributes to a higher linear velocity and improve grinding efficiency by 20%.

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本发明在制造过程中采用如下步骤：准备原料，粉碎原料，加入二次原料，放入添加剂，吹塑成型。

The invention comprises the following steps in manufacturing process: preparing raw materials, shattering raw materials, adding secondary raw materials, adding additives, and blowing mould.

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