横向丝杆螺母 cross lead screw nut
横向调整螺丝 adjusting screw for transverse
横向视差螺丝 [机] transverse parallax screw
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外座通过涨管螺丝与混凝土地面固定，可有效减小机床设备的横向震动。
Outside the place through rises the tube screw and the concretes ground is fixed, but reduces the engine bed equipment's crosswise vibration effectively.
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