英语词汇“screw jack”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

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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