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单词 journal box
释义

journal box

noun Mechanics
A box that houses a journal and its bearing.The lower part of the journal box was kept full of a mixture of oil and waste material....
  • During the 30's roller bearings became common, with the noticeable round covers on journal boxes.
  • When one journal box is done, reverse the cutting tool between the journal boxes and repeat the process for the other journal and reinsert wheelsets.
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更新时间:2025/1/9 18:45:16