The principles of forming toroidal gear have been studied and the trajectories of the machining tools have been obtained. Then, the generating method for manufacturing of the internal toroidal gear by using the envelope method has been proposed. Further, spatial meshing profile normal theory is applied to design the profile of the proposed hobber, and the fix angles of the hobbing cutter have been confirmed.

對(duì)內(nèi)超環(huán)面齒輪齒廓的形成原理進(jìn)行研究黄大色大片免费久久，得出加工刀具的運(yùn)動(dòng)軌跡曲線欧洲超级黄片视频，提出包絡(luò)法加工內(nèi)超環(huán)面齒輪人人艹五月天，并采用空間嚙合齒廓法線法設(shè)計(jì)刀具廓形性欧美老妇人牲交，確定刀刃切削角度欧美精品视频1区2区，完成基于SolidWorks的刀具體三維造型設(shè)計(jì)欧州三级网址。

We adopt the design techniques of the interlude and combination of dot, line and face.

但是花錢花在刀刃上，是所有投資者的心理国产美女免费AV片在线播放。

A Pata is like a katar, where the hand is covered in a kind of an iron 'glove' and the blade is very long.

Pata與卡塔爾相似黄色理论在线观看，刀柄被一種套鐵包裹著，刀刃很長国产色色激情。

What we need is only a small number of skills, time and money spent on knife's edge, once to this point, you will find: frugality, in fact, is a happy thing.

我們需要的只是一些小小的技巧日日射日日插日日干，把時(shí)間和金錢用在刀刃上，一旦做到了這一點(diǎn)永久AV网站，就會(huì)發(fā)現(xiàn)：節(jié)儉永不卡的黄色网站，其實(shí)是件快樂的事情。

Our these management public property's person should take the responsibility ── to spend the money on the knife edge, to change the abuse, to handle affairs frankly and uprightly ──, because only then we can remould between people's and government's trust like this.

我們這些管理公共財(cái)產(chǎn)的人應(yīng)該負(fù)起責(zé)任──把錢花在刀刃上无码下体流水性视频、改掉惡習(xí)欧美性视屏、光明正大地行事──因?yàn)橹挥羞@樣我們才能重塑人民和政府之間的信任。

Just in time to, once again, dance on the knife-edge of oblivion.

歷史總在不斷重復(fù)亚洲已满18岁点击进入久久，我們又一次在遺忘的刀刃上起舞

The reality that has come home to all of us during the great panic of 2008 is that nobody likes living on the knife-edge of the market.

在2008年的這場(chǎng)大恐慌中亚洲AV六月丁香七月婷婷，我們都要面對(duì)的一個(gè)現(xiàn)實(shí)是，沒有人希望站在市場(chǎng)的刀刃上過活伊人网免费视频。

The reality that has come home to all of us during the great panicof 2008 is that nobody likes living on the knife-edge of themarket.

在2008年的這場(chǎng)大恐慌中天堂2019AV在线观看，我們都要面對(duì)的一個(gè)現(xiàn)實(shí)是，沒有人希望站在市場(chǎng)的刀刃上過活一级牲活片在线观看。

Although its lamella punctures not likely such sharply, but lamella's edge knife edge equally is likely sharp.

雖然它的鱗片不像刺那樣尖利自拍偷拍2020，但鱗片的邊緣像刀刃一樣鋒利。

It was higher than a big scythe blade and a very pale lavender above the dark blue water.

這尾巴比一把大鐮刀的刀刃更高超碰国产在线观看，是極淡的淺紫色亚洲精品区第3页，豎在深藍(lán)色的海面上。