He has had thirteen decayed teeth. He doesn't have a single decayed tooth.

而本題選項都是食物或飲料，結(jié)合對文章主題的分析cao欧美色就是色，本題很可能是問哪種東西對牙齒有害偷国产乱人伦精品一区二区。

If you do not brush your teeth, you will get decayed teeth.

如果你不刷牙，你的牙會壞的国产1级在线视频网站免费。

Her teeth decayed because they were not taken care of.

她的牙齒因沒小心保護而變壞了曰韩三级精品。

Do you have any decayed teeth?

你有任何蛀牙嗎？

Let me take an X-ray of your teeth to see if you have any decayed areas or cavities?

讓我照個 X 光国产欧美亚洲日韩片在线观看网站，看看你的牙齒有沒有蛀爛的地方或牙洞欧美一级A片欧美性视频。

I have two decayed teeth.

我有兩顆齲齒。

Dr. Fosdick has cleaned his teeth after meal for thirteen years and has not had a single decayed tooth.

"Fosdick醫(yī)生堅持13年每餐后刷牙做a视频免费在线观看，結(jié)果沒有一顆蛀牙"一级黄片美女的奶水，所以選擇選項。

To Dec. in 2004. Of all examined students,20 433 catched with poor eyesight, the incidence was 30.48%;11 887 with decayed teeth （17.33%）, 14 715 with physiology goiter struma （21.95%）, 1 811 with color weakness （2.70%）, and 488 with amygdalae inflammation （0.73%）.

結(jié)果調(diào)查學生67036人无码一级午夜福利2021，視力不良20433人国产综合精品久久亚洲，患病率30、48％www的网址免费看；齲齒患病人數(shù)11887人黄色视频一级片黄色，齲患率17.73％；生理性甲狀腺腫大14715人欧美一级做a影片爱橙影院，腫大率21.95％网友自拍第1页；色弱1811人，患病率2.70％欧美18ⅹxxxx性欧美喷水；扁桃體炎488人欧美日韩三级片，患病率0.73％。

In the Dragon Gate type taper design process, I met many problems, like, the taper constructs in six directions movement has several kinds of different plans choice problems, does the power transmission problem, as well as in attack in the silk process to prevent to overload phenomena and so on screw tap break, decayed teeth which or other reasons appear.

在龍門式攻絲機的設計過程中黄色九九，遇到了不少問題玖玖伊人，如，攻絲機構(gòu)的前后印度一级婬片A片免费播放口、左右A级毛片观看免费、上下六個方向上的運動的幾種不同方案的選擇問題国产一区二区狠干，動力傳遞問題，以及如何在攻絲過程中防止因過載或其他原因出現(xiàn)的絲錐斷裂xxxx黄色小视频、爛牙等現(xiàn)象超碰97人人操人人。

These problems were all solution under the help of my teacher and classmates, because the entire transmission system requests the transmission quite is big, therefore used the structure to be compact, velocity ratio big worm gear worm drive; regarding two kind of different working speeds, used has dialed forks with the twin gear combination realizes between the different speed transformation; regarding the screw tap break, the decayed teeth phenomenon solution is in attacks in the refuse silk to establish the friction disk transmission, may solve this problem well using the friction disk transmission characteristic, now the Dragon Gate type taper has been basic designed, its performance has been waiting for the production practice the confirmation.

這些問題在老師和同學們的幫助下都已基本解決，由于整個傳動機構(gòu)所要求的傳動比較大人人爽爽人日人干人日人，故采用了結(jié)構(gòu)緊湊AV无码A在线观看奶水，傳動比大的蝸輪蝸桿傳動；對于兩種不同的工作速度欧美一级片电影在线观看，采用了撥叉和雙聯(lián)齒輪的組合來實現(xiàn)不同速度之間的轉(zhuǎn)換爱搞免费；對于絲錐斷裂，爛牙現(xiàn)象的解決辦法是在攻絲頭中設置摩擦片傳動天天做天天爱天天爽天天综合，利用摩擦片傳動的特性就可以很好地解決這個問題久久影院A片AAA毛片，現(xiàn)在龍門式攻絲機已基本設計出來，其性能正在等待生產(chǎn)實踐的驗證毛片基地在线视频无码。