振动使这个螺丝松了。
振动力使物料湍流度加大，使物料分层不易形成。
The vibration can increase the material turbulivity, and mostly avoid the stratification.
现察物体振型更加直观、方便。使物体的振动分析得到简化。
The vibration mold of object is directly and simply observed.
现察物体振型更加直观、方便。使物体的振动分析得到简化。
The vibration mold of object is directly and simply observed.
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