The following conclusion is obtained. In the cases of straight gash, spiral gash, zero rake angle and positive rake angle, the hob worm profile from hob put into use to hob abandoned i…
结果表明：在直槽或螺旋槽、零前角或正前角等情况下，用本文设计的磨轮铲磨的滚刀，其基本蜗杆轴截形在从新到旧的整个使用过程中都是精确的。
The utility model provides the toothpick capable of adjusting the bending Angle freely by a user according to the gash position or distance at the inner side of a mouth.
提供一种由使用者根据口腔内侧齿缝位置或距离，可随意调整弯曲角度的牙签。
The utility model provides the toothpick capable of adjusting the bending Angle freely by a user according to the gash position or distance at the inner side of a mouth.
提供一种由使用者根据口腔内侧齿缝位置或距离，可随意调整弯曲角度的牙签。
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