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  1. Oxford American Dictionary

    vacuum extraction

    • IPA[ˈvakyəm ikˌstrakSHən]
    • n.
      the application of reduced pressure to extract something, particularly to assist childbirth or as a method of abortion, or as a technique for removing components of a chemical mixture.

    • noun: vacuum extraction

    • 更多解釋

    vacuum extraction

    • n.
      the application of reduced pressure to extract something, particularly to assist childbirth or ...

    Oxford Dictionary