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    What are the components of the stapler?

    Return list Clicks:381Update time:2018/1/12

    According to the

    spring parts do rough, and increase the hand friction, no slippage to increase the contact area, reduce the pressure, so don't hurt a hand stitching needle stitching machine, in order to increase the pressure force, wide in order to reduce the pressure, and the lever principle, the thin stripes base, increase friction.
    1, its wide base is to improve stability.
    2, your position is also larger, to increase the contact area to reduce the pressure, the protection of the hand of the

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