The models of cutting edge, the flute of ball end milling cutters with spiral flute of different section, and the section profile and relative feed speed of grinding wheel are provided.

分析了三種不同定義的螺旋刃口曲線的異同和與優(yōu)劣，給出了二軸聯(lián)動數(shù)控加工時不同截形的螺旋溝槽球頭銑刀的刃口、溝槽及砂輪截形、相對進給速度等設(shè)計模型手机可以免费在线看av的网站，并通過實得溝槽及計算機模擬結(jié)果進行了驗證，認(rèn)為借助該模型可獲得較理想的球頭回轉(zhuǎn)銑刀欧美日韩色图。

The truncated icosahedra have been prepared for the first time by prolonging the reaction time to 4 h.The XRD,SEM,TEM and Uv-vis technologies confirm the high shape difference between icosahedral gold nanocrystals and their truncated forms.

通過延長反應(yīng)時間合成了一種類似足球的新型金納米粒子—截角二十面體超碰在线免费网站，研究結(jié)果表明，該粒子由二十個六邊形和十二個五邊形組成97精品碰碰视频碰碰，截角面是{100}面日本AA视频。

Drills in the median line with the small crack marks the good median line position, The horizontal osteotomy is then completed with a saw, and removal of midline wedge of bone from a lingual approach.

在中線用小裂鉆標(biāo)記好中線位置，在左右下牙6到6之間截骨老王黄色网站中文字幕，截骨完成后91情侣偷在线精品国产，再于頦部中央截取底邊在舌側(cè)的等腰三角形骨塊性爱激情小说视频，將頦部骨塊內(nèi)旋97人伦人妻对对碰免费看，在唇側(cè)表面以微型鈦板固定。

Experiments were done to contrast the heat tansfer enhancement and pressure loss caused by several single-pare vortex generators such as delta winglets,rectangular winglets,trapeze winglets,bevel-cut half-cylinder VG and bevel-cut half-elliptical column VG,which were installed in a rectangular tunnel respectively.

在雷諾數(shù)為4000～38000的紊流范圍內(nèi)對矩形風(fēng)道內(nèi)分別布置單排一對直角三角翼三级片免费观看视频、矩形翼91精品免费一区二区三区、梯形翼、斜截半圓柱體午夜摸一摸A片、斜截半橢圓柱體等渦流發(fā)生器的強化傳熱效果和壓降特性進行了對比實驗亚洲免费的中文小说图片。

This *** is titled "Relationship between Pre-Tertiary unconformity and hydrocarbon migration-accumulation in Jizhong depression". Unconformity can be divided into five types in Jizhong depression: truncation unconformity, fault-fold unconformity, parallel unconformity, truncation-onlap unconformity and fault-onlap unconformity by massive two-dimensional and three-dimasional seismic interpretations . Different types of unconformity have different distribution law.

本論文以&冀中坳陷前第三系不整合與油氣運聚關(guān)系&為題，通過大量的二維和三維地震解釋欧美一级日逼视频，把研究區(qū)不整合分為削截不整合美女自慰喷水黄色网站、斷褶不整合、平行不整合三级黄视频一区二区三、削截-超覆不整合和斷層-超覆不整合等五種類型永久看免费a级毛片，不同類型的不整合在空間上具有不同分布規(guī)律。

Let〓,(5)then diam 〓;then we call this 〓be the"cross section"of u.

若記〓（5）則〓黄色网站观。若〓邪恶帝★全彩邪恶爱，則稱此〓為：凸單調(diào)函數(shù)u的以為頂點的〓截影，或簡稱為u的截影性爱AV大吊一线。

Curve and the x, y-axis intersection (a, 0),(0, b) where a curve is called the intercept in the x-axis; b is called the curve y axis intercept .

曲線與x性交精品、y軸的交點（a，0）男人添女人高潮免费视频网站，（0性爱欧美，b）其中a叫曲線在x軸上的截距；b叫曲線在y軸上的截距欧美黄色老女人。

Curve and the x, y-axis intersection (a, 0),(0, b) where a call in the x-axis intercept curve; b is called the curve y axis intercept .

曲線與x作爱免费视频网站、y軸的交點（a国产最新福利网站，0），（0欧美精品性，b）其中a叫曲線在x軸上的截距丝袜交欧美另类；b叫曲線在y軸上的截距。

I learned about serif and sanserif typefaces, about varying the amount of space between differentletter combinations, about what makes great typography great.

我學(xué)習(xí)寫帶短截線和不帶短截線的印刷字體又刺激又黄色网站，根據(jù)不同字母組合調(diào)整其間距在线毛片免费，以及怎樣把版式調(diào)整得好上加好。

Designing of cross section profile of cutter is one of the necessary preconditions of realizing the CAD technique of special revolving tools.

端截形線設(shè)計是實現(xiàn)特種回轉(zhuǎn)面刀具CAD技術(shù)的必要前提之一久久精品国产高潮AV，本文以典型的特種回轉(zhuǎn)面銑刀為例在线黄网站，給出了一種端截形線的設(shè)計方法。