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- And it introduced the relation gear tooth concave hole parameter and hob used of tooth cut and rub tooth surplus and match gear geometry parameter. 介绍了齿轮齿根凹圆坑参数与所用滚刀的关系。
- instruction book of spike tooth harrow 钉齿耙使用说明书
- Experimental research on the spike tooth of double axial flow threshing and separating unit 钉齿式双滚筒轴流脱粒与分离装置的试验研究
- His figure looks very funny in the concave mirror. 他的样子在凹镜里显得非常可笑。
- An indented or concave surface or area. 凹陷，洼地凹的表面或地区
- I was given gas when they pulled my tooth out. 给我拔牙时用了一氧化二氮。
- 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
- This tooth is sensitive to cold. 这颗牙对冷过敏。
- Mike's wife have a big sweet tooth. 迈克的妻子非常喜欢吃甜食。
- He had a bad tooth pulled out yesterday. 昨天他把蛀牙给拔掉了。
- I was fitted an artificial tooth by the dentist. 牙医给我镶了颗假牙。
- A small point or spike for holding a candle upright. 蜡烛扦竖直举起蜡烛的小尖或尖状物
- A canine tooth of the upper jaw. 上颚犬齿上颚的一个犬齿
- Nothing hurts more than a bad tooth. 疼痛莫胜于坏牙。
- This aching tooth makes me feel wretched. 这一颗牙痛得我难受极了。
- A sensitive nerve in a tooth can cause great pain. 牙神经易受损伤，可产生巨痛。
- I had a bad tooth pulled out yesterday. 我昨天拔了一只蛀牙。
- The doctor has taken my bad tooth out. 医生已拔掉了我的坏牙。
- Just as a double convex lens enlarges, so a double concave lens reduces. 正象双凸透镜可以放大那样，双凹透镜也可以缩小。
- To drive(a nail or spike) at an oblique angle. 斜钉以一个倾斜的角度钉（钉子或大钉）
