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  1. Oxford American Dictionary

    snap-action

    • IPA[ˈsnapˌakSH(ə)n]

    美式

    • adj.
      denoting a switch or relay that makes and breaks contact rapidly, whatever the speed of the activating mechanism.；denoting a gun whose hinged barrel is secured by a spring catch.
    • n.
      the operation of a snap-action switch, relay, or gun.
    • 釋義

    形容詞

    • 1. denoting a switch or relay that makes and breaks contact rapidly, whatever the speed of the activating mechanism.
    • 2. denoting a gun whose hinged barrel is secured by a spring catch.

    名詞

    • 1. the operation of a snap-action switch, relay, or gun.