screw-driver bit

基本解释

• 螺丝刀

英汉例句

双语例句

• The utility model provides a single-hand operating screw-driver bit with clamp device belonging to the tools field, and comprises a handle, a tool bar and a clamp device.
  本实用新型提供了一种带夹紧装置的单手操作螺丝刀，属于工具领域。
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专业释义

机械工程

• 手钻尖头