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单词
journal box
释义
jour
nal 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:2025/12/24 12:26:47