针对粉状物料螺旋输送机轴承损坏问题，提出了轴承密封结构的改进措施，说明了改进后的应用效果。
As to the problems of bearing disable, the mend method on seal structure of the screw conveyer for powder materiel is put forward, and the applied effect is demonstrated.
针对粉状物料螺旋输送机轴承损坏问题，提出了轴承密封结构的改进措施，说明了改进后的应用效果。
As to the problems of bearing disable, the mend method on seal structure of the screw conveyer for powder materiel is put forward, and the applied effect is demonstrated.
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