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单词
screw jack
释义
screw jack
noun
A vehicle jack worked by a screw device.
If they are screw jacks, wire the handles through the screw jacks so they can't vibrate loose.
...
He supported the bottoms of the existing footings with screw jacks to precisely plumb the columns at the proper height.
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更新时间:2025/3/26 9:08:59