double row tapered roller bearing
double row tapered roller bearing 双列圆锥滚子轴承 double row tapered roller bearing with double cone 双内圈双列圆锥滚子轴承 ..
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double row tapered roller bearing
双列圆锥滚子轴承
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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The invention relates to a grinding tool for a grinding machine tool, in particular to a superfine head of a double-row tapered roller bearing outer shell.
本发明涉及一种用于磨削机床的磨削工具，具体地说是一种双列圆锥滚子轴承外套超精头。
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