其刀柄上装有控制揿钮来控制刀头的开启和关闭，使用非常方便。
The handle of the foldable screwdriver is provided with a control button which is used for controlling switching-on and shutting down of the tool bit.
其刀柄上装有控制揿钮来控制刀头的开启和关闭，使用非常方便。
The handle of the foldable screwdriver is provided with a control button which is used for controlling switching-on and shutting down of the tool bit.
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