... 敲击 pounding 墩底 pounding bottom 击拍损伤 pounding damage ...
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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.
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。
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