• It shows that the effects of back pressure on penetration, spray cone Angle, and decline rate of centerline velocity and concentration of the spray are greater than that of fuel injection pressure.

    贯穿距离喷雾、喷雾轴心速度浓度衰减影响大于启喷压力

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  • The device is posterior cutter grinding to drill in cone surface grinding method that it can vouch for drill with reasonable back Angle, and symmetry precision is high.

    装置采用圆锥表面钻头进行后面刃磨保证磨出的钻头具有合理对称精度

    youdao

  • The device is posterior cutter grinding to drill in cone surface grinding method that it can vouch for drill with reasonable back Angle, and symmetry precision is high.

    装置采用圆锥表面钻头进行后面刃磨保证磨出的钻头具有合理对称精度

    youdao

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