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- Today it's relatively rare for someone to have perfectly straight teeth (without having been to the orthodontist). 工具的使用无疑能够帮助早期人类捕杀并食用猎物。但有证据显示，烹调以及使用刀叉等餐具的进步使人类的牙齿逐渐变得弯曲不整齐并使人的面部变小。
- The only visual difference between Ameri- cans and other nationalities is that Americans are taller and have straight teeth. 美国人与其他国家的人之间唯一一点可见的区别是，美国人更高，而且牙齿整齐。
- The upper and lower jaws possess straight tooth rows and the jaw arches are almost rectangular in shape. 上、下颌具有直的齿列，而颌弓几乎呈直角形。
- Dividing the first device, milling can cut keys, straight teeth Yuanzhu, gear, bevel gear and the reamer, and similar parts. 装置分度头时，可铣切花键、直齿圆珠、齿轮、伞齿轮和铰刀、以及类似零件。
- The rolling pressure for forming straight tooth bevel gear varies with the feed rate of cavity die,friction factor and inclination of rotary head. 直齿圆锥齿轮摆辗成形的辗压力随摆头倾角、下模进给速度、摩擦系数以及摆辗阶段等因素的变化而变化。
- Straighter teeth, Healthier gums, and prettier smiles. 一进门就看到这个广告语。
- instruction book of spike tooth harrow 钉齿耙使用说明书
- Company is located in the Baoshan District of Shanghai, Gu Village Industrial Park, the main production enterprises DPF series disc separator, NB series of straight teeth conjugate Internal Gear pump. 公司位于上海宝山区顾村工业园区，企业主要生产DPF系列碟式分离机、NB系列直齿共轭内啮合齿轮泵。
- In this paper the 2K-H type straight tooth planetary gear retarder is taken as an example and a new exhaust algorithm is adopted in computer,and the layout method of the computer program is supplied. 以2K-H型直齿行星传动的设计为例,采用新的穷举法在计算机上进行设计计算,并给出了计算机程序的编制方法。
- side and face milling cutter with straight teeth 直齿三面刃铣刀
- bowl-shape straight teeth gear shaping cutter 碗形直齿插齿刀
- disc shape straight teeth gear shaping cutter 盘形直齿插齿刀
- face and side milling cutter with straight teeth 直齿三面刃铣刀
- Bevel gear with straight tooth profile 直线齿廓锥齿轮
- Milling technology of straight tooth drum gear 鼓形直齿圆柱齿轮的铣齿工艺
- Keep straight on until you get to the church. 一直朝前走就走到教堂了。
- White tooth harrow the optimal growth of bacteria acidic PH, ink Coprinus optimal alkaline PH growth; 白耙齿菌的最适生长PH偏酸性，墨汁鬼伞的最适生长PH偏碱性；
- It's three blocks straight ahead. 一直往前走过三个街区就是。
- We should brush our teeth at least twice a day. 我们每天应该至少刷两次牙。
- She gave it to me straight from the shoulder. 她坦诚地批评我。
