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- The algorithm and formulas to determine the size of tip relief modification of pre shaving gear hobs are put forward.A principle to determine the lead width of tooth roots is also presented. 给出了剃前齿轮滚刀修缘尺寸的计算方法和计算公式，并对滚刀齿根的齿间槽宽提出了更为合理的判断原则。
- Tip relief curve of tooth profile for theoretical involute spur gears 理论渐开线直齿轮的齿廓修缘曲线
- tip relief (of tooth) 尖作圆角
- What will the world of tooth care look like then? 那么，到那时牙齿保健领域会是一派什么景象呢?
- What kind of tooth - paste do you want ? 你要哪种牙膏?
- I need to buy a can of tooth paste. 我需要买一筒牙膏了。
- Use the shape area on the gap of tooth. 牙齿和牙齿之间，请以尖端部分擦拭。
- I pick up a leaflet about the care of teeth. 我拿起一张宣传保护牙齿的传单。
- Cleanness of teeth in that area make many people die. 那个地区的食物缺乏导致多人死亡。
- The advice was not restricted to the prevention of tooth decay. 这个忠告并不仅仅局限于预防龋齿。
- We have many kinds of tooth paste, which would you like to buy? 我们有许多种牙膏，您想买哪一种?
- This kind of tooth brush is eight cents cheaper than that kind. 这种牙刷比那种便宜八分钱。
- DMFT,DMFS and the ratio of tooth filled were counted. 少部分儿童乳牙龋患严重;
- XE --- Rack shift coefficient for adjustment of tooth thickness . 按照字面是：调节齿厚的齿条位移系数。
- The type,number,and arrangement of a set of teeth. 牙列，齿系牙床的类型、数目和安排。
- He wears a broad grin,display twin stump of teeth. 他咧嘴笑著，露出一对残牙。
- This kind of tooth brush is eight cents cheaper than that kind . 这种牙刷比那种便宜八分钱。
- She's 80, but she still has a perfect set of teeth. 她虽已80岁,但仍有一副完好的牙齿。
- He wears a broad grin, display twin stump of teeth. 他咧嘴笑著，露出一对残牙。
- Pick up a leaflet about the care of teeth. 我拿起一张宣传保护牙齿的传单。
