To have better function, the rotating handle of the screwdriver is provided with a force applying device.

为更好地完成功能，本发明所提供螺钉旋具的旋柄上还设计有加力装置。

youdao

To have better function, the rotating handle of the screwdriver is provided with a force applying device.

为更好地完成功能，本发明所提供螺钉旋具的旋柄上还设计有加力装置。

youdao