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Supply contact group, were positive,, mountain hafnium, butt Qi, Wang main parts such as automatic lathes, table lathes have, belts, steam-driven chuck Block, Grinding, open closed claw, Tool,òsmall motors, clutches, cam blanks, chuck, drilling chuck, cam, cam Events, cam thimble, tools, wheel discs, retaining materials arm, S plate, rolling round silk flower attack, attack left tooth wire, drill bits, L-drill, round bars, tungsten steel round bars, die, plate braces, dental regulation, cone, non-ditch attack silk, silk YAMAWA attack Japan, Japan OSG silk attack.

供应洽群、名阳、昌勇、山铪、錡夆、王主等自动车床零配件，有桌上车床、皮带、汽动夹头座、磨刀机、开闭爪、车刀、打油小马达，离合器、凸轮毛胚、夹头、钻尾夹头、凸轮、活动凸轮、凸轮顶针、车刀、砂轮碟，挡料臂、S型板、滚花轮丝攻，左牙丝攻、钻头、左旋钻头、圆棒，钨钢圆棒、板牙、板牙套、牙规、牙轮、无沟丝攻、日本YAMAWA丝攻、日本OSG丝攻。

Think active of TGase 1, ACPase, APLase A all participates in acid of alcohol of low density of; of the normal mechanism that take off bits, the curative effect of glycerine is potential participate in the bridge between the cell between KC to rupture with its about.

认为TGase 1、ACPase、APLase A活性皆参和正常脱屑机制；低浓度乙醇酸—甘油的疗效可能和其参和KC之间的细胞间桥断裂有关。

PC testing system software is to analyze the experimental data, draw and observe the testing process. The main control cell of the tester adopts the 16 bits MCU-MSP430F169 which has abundant resource and strong anti-jamming ability produced by the company of TI.

检测仪主要完成对空气压缩机的各种参数的检测，上位PC机检测系统软件则是对实验实据进行分析、绘图，方便观察检测过程中的数据变化。

The cooker, and mix in wine and chicken broth, scraping any bits of food that ...

在煲，拌酒和鸡清汤，刮刀钻头任何食物

The nozzle layout in terms of bit cutting teeth's position distribution,clearance and the jet angle are analyzed with the numerical simulation for the 3-D flow field of PDC bits,with regard...

NET为工具对Phoenics软件进行二次开发，建立专用平台，对不同工况条件下的PDC钻头进行数值模拟。

The company's main products: mining accessories, coal conveyor accessories, various models clip bolt, Road plywood, screws, and the severity of Road tracks, clips Road, Road from the machine, turn machines, pressure-rail, coal drill pipe, Bits, tramcar, mining wheel, gauge drawbars, space launches, and round.

本公司的主导产品：工矿配件、煤矿输送配件、各种型号道钉、道夹板、道螺丝、轻重型道轨、道压板、起道机、弯道机、压轨器、煤钻杆、钻头、矿车、矿车轮、轨距拉杆、天轮、地轮。

Therefore, we should not neglect the study and improvement for the service life of bearing while researching cone bits.

因此，在研究钻头的同时，决不可忽视对轴承寿命的研究和改进。

In order to prolong the service life of roller bearing, a deep end-cavity roller is applied to roller bearing of cone bits.

国内现有牙轮钻头滚动轴承多采用短圆柱滚子轴承结构，滚子边缘处存在应力集中现象，使得轴承接触表面极易发生疲劳破坏，为提高牙轮钻头滚动轴承抗接触疲劳寿命，提出在牙轮钻头滚动轴承中采用凹端圆柱滚子的方案。

Finally,according to the geometry structure of bits,the motion characteristic of tooth in each row was analyzed, including their scraping mode influenced on the cone/bit ratio.

在过去几十年中，许多研究者对牙轮钻头的运动进行研究，但是他们都对这些问题作了过分的简化，以致

Bits without moving parts, can withstand the high penetration rate, with the downhole drill motor can be used in conjunction with higher economic efficiency, is the cone bit strong competitors.

钻头无活动部件，能承受高钻速，与井下动力钻具配合使用能获得较高的经济效益，是牙轮钻头的强有力的竞争者。

In other research, chondroitin is being investigated for use in several other conditions.

在其它研究，软骨素被调查用於几个其它情况。

They would make fun of him for having to work.

他们拿他的工作来开玩笑。