Radial bearings are designed to prevent movement of the rotating shaft; axial bearings, often called thrust bearings, are designed to prevent movement of the shaft.
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【单选题】He invited some classmates to come to his party,but _______ came.
【简答题】One day, Nick invited his friends to supper. He was cooking some delicious food in the kitchen.Suddenly, he 小题1:________ (find)that he had run out of salt. So Nick called to his son,“Go to the village...
【简答题】One day, Nick invited his friends to supper. He was cooking some delicious food in the kitchen .Suddenly, he 小题1: (find)that he had run out of salt. So Nick called to his son,” Go to the Village and b...