“collar step bearing”的概念、定义、翻译、参考文献-科学参考

单词	collar step bearing
释义	collar step bearing 环形阶式轴承
随便看	pumping energy storage pumping engine pumping equipment pumping fluid pumping frequency pumping grinding mill pumping head pumping head of capillarity pumping helix pumping hole pump(ing) installation pumping installation pumping intake piping pumping intensity pumping irrigation pumping lamp pumping lamp ignition pumping level pumping light pumping limit pumping line pumping loop pumping loss pumping machine pumping machinery

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