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单词
guide rail
释义
guide rail
noun
A rail or track which directs the movement or positioning of something:
the bolt assembly slides on two steel guide rails
...
Elisha Otis demonstrated a safety lift (essentially a moving clamp on guide rails) in New York in 1853.
Note the upward-pointing 'teeth' within the guide rails.
In each of the four corners there was a precision metal tube that looked like some kind of guide rail.
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更新时间:2025/10/26 22:30:46