• 1. quick change chuck: 快换夹头 | 快换卡盘 | 速换夹头
• 2. universal quick change chuck: 多功能快换夹头
• 3. multi-purpose quick change collet chuck: 多功能快换夹头

更多释义

• 1.The use of the tapping chuck is particularly advantageous when working with the quick change system on drilling machines that allows to drill and tap in the same position without centring again.
  另一优势的体现在这种快换的装置允许在同一个位置上钻孔或者是攻丝，不需要再做中心的调整。
  dict.yoduao.com

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