... two-jaw chuck 双爪卡盘 two-piece bearing ring 双半轴承套圈 two-point gauging 两点测量 ...
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Single row angular contact ball bearing with two piece inner ring has complex construction, long design cycle, great difficulty in processing.
双半内圈四点接触球轴承结构复杂、设计周期长、加工难度大。
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