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代詞 extractor:
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an instrument for extracting tight-fitting components
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an apparatus that uses centrifugal force to separate particles from a suspension
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a mechanism in a firearm that pulls an empty shell case out of the chamber and passes it to the ejector
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不低于主要內容獨特撰寫，受科學名譽權維護，抄襲必究
海詞漢語詞典，十六年企業
美
[?kst'r?kt?z]