Check that there is no lubricating oil in the machine base, bearing and oil chamber. 檢查機座，軸承和油腔無潤滑油。
For targe eccentricity, fluid cavitation and recess position determine large changes in the bearingdynamic Performance. 而在大偏心率下，由於流體膜穴和油腔位置的影響，軸承動特性有較大變化。
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