• 本文介绍螺旋单叶双曲组成在犁主参数确定后工程作图法。

    It's introduced in this paper how to draw the engineering drawing of the plow surface formed by a combination of a oblique helicoid and a hyperboloid of one sheet.

    youdao

  • 分析螺旋扭转振动传动原理螺旋物料运动规律

    This paper analyzed the movement theory of lean rotate Vibration of helical surface and the motion law of materials movement.

    youdao

  • 分析螺旋扭转振动传动原理螺旋物料运动规律

    This paper analyzed the movement theory of lean rotate Vibration of helical surface and the motion law of materials movement.

    youdao

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