机器上用的螺丝钉上的螺丝纹是以一定的角度旋转上升,使得螺丝旋转时向前推进,直径为6cm的螺丝钉,若每旋转一圈向前推进1.25mm,螺丝的初始角应约是多少度多少分?(提示,螺丝转一周时,侧面
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![机器上用的螺丝钉上的螺丝纹是以一定的角度旋转上升,使得螺丝旋转时向前推进,直径为6cm的螺丝钉,若每旋转一圈向前推进1.25mm,螺丝的初始角应约是多少度多少分?(提示,螺丝转一周时,侧面](/uploads/image/z/15213341-29-1.jpg?t=%E6%9C%BA%E5%99%A8%E4%B8%8A%E7%94%A8%E7%9A%84%E8%9E%BA%E4%B8%9D%E9%92%89%E4%B8%8A%E7%9A%84%E8%9E%BA%E4%B8%9D%E7%BA%B9%E6%98%AF%E4%BB%A5%E4%B8%80%E5%AE%9A%E7%9A%84%E8%A7%92%E5%BA%A6%E6%97%8B%E8%BD%AC%E4%B8%8A%E5%8D%87%2C%E4%BD%BF%E5%BE%97%E8%9E%BA%E4%B8%9D%E6%97%8B%E8%BD%AC%E6%97%B6%E5%90%91%E5%89%8D%E6%8E%A8%E8%BF%9B%2C%E7%9B%B4%E5%BE%84%E4%B8%BA6cm%E7%9A%84%E8%9E%BA%E4%B8%9D%E9%92%89%2C%E8%8B%A5%E6%AF%8F%E6%97%8B%E8%BD%AC%E4%B8%80%E5%9C%88%E5%90%91%E5%89%8D%E6%8E%A8%E8%BF%9B1.25mm%2C%E8%9E%BA%E4%B8%9D%E7%9A%84%E5%88%9D%E5%A7%8B%E8%A7%92%E5%BA%94%E7%BA%A6%E6%98%AF%E5%A4%9A%E5%B0%91%E5%BA%A6%E5%A4%9A%E5%B0%91%E5%88%86%3F%EF%BC%88%E6%8F%90%E7%A4%BA%2C%E8%9E%BA%E4%B8%9D%E8%BD%AC%E4%B8%80%E5%91%A8%E6%97%B6%2C%E4%BE%A7%E9%9D%A2)
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