The structure of probability screen vibration frame change unitary welded type to bolt fastening. This way USES handy and effect is well.
将概率分级筛激振器机架的结构由整体焊接式改为螺栓联接式，使用方便，效果很好。
The structure of probability screen vibration frame change unitary welded type to bolt fastening. This way USES handy and effect is well.
将概率分级筛激振器机架的结构由整体焊接式改为螺栓联接式，使用方便，效果很好。
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