| 1. | A film of mucus and bacteria on a tooth surface 齿菌斑牙齿表面一层粘液和细菌的膜 |
| 2. | A method for machining 2d digital gear tooth surfaces 一种二维数字化齿面加工方法研究 |
| 3. | Study on gear tooth surface of generating spur bevel gear 滚齿直齿圆锥齿轮齿形的研究 |
| 4. | Tooth surface index of fluorosis , tsif 与氟牙症牙面指数 |
| 5. | A new method of intersection interference analysis for real tooth surface 一种真实齿面相交干涉分析的新方法 |
| 6. | Tooth surface knocked burr or point corrosion on tooth surface or not in tangency 轮面磕碰,有毛刺或面发生点蚀或接触不良 |
| 7. | Extrinsic stain , before treatment - the tooth surface was stained by food colour 外在变色治疗前-食物色素沈积在牙齿表面。 |
| 8. | Acid demineralises the tooth surface which will , hence , be weakened 酸素令牙齿中的矿物质开始分解流失,使牙齿表面渐渐变为脆弱。 |
| 9. | Discussion of finite - element modeling of accurate cutting hard tooth surface gear - hobbing machine 精切硬齿面齿轮滚齿机有限元建模的研究 |
| 10. | The effect of the friction between teeth on the contact fatigue strength of the tooth surfaces of a gearing 齿间摩擦对齿轮轮齿表面接触疲劳强度的影向 |