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  1. Oxford American Dictionary

    power stroke

    • IPA[ˈpou(ə)r strōk]
    • n.
      the stage of the cycle of an internal combustion engine in which the piston is driven outward by the expansion of gases.

    • noun: power stroke, plural noun: power strokes

    • 更多解釋

    power stroke

    • n.
      the stage of the cycle of an internal combustion engine in which the piston is driven outward ...

    Oxford Dictionary