... two photon emission 二光子发射 two piece bearing 对开轴承 two pin plug 两脚插砂 ...
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two-piece bearing 对开轴承 ; 一对轴承 ; 对于开轴承 ; 拼合轴承
two-piece bearing ring 双半轴承套圈
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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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