... 密封式单列滚珠轴承 single row ball bearing with ring seal 滚珠轴承 antifrication bearing; ball race bearing; ball type bearing; ball-and-socket joint; ball-frame carriage; bb ball bearing; bearing ball; bearing，ball; roller bearing; spot contact bearing 滚珠轴承厂 ball bearing plant; sharikopodsnipnik plant ...
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BB-Ball Bearing 滚珠轴承
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