杆

According to experiment study of anti corrosive-wear capability about tube and rod friction pair which are made of ordinary materials and surface treatments,some straight figures were drawn about selecting friction pair's corrosive-wear ratio.

对抽油井常用管杆材料以及表面处理后的管杆材料摩擦副耐磨蚀性能进行了试验研究，结果表明：J55与N80普通油管与QT60接箍配合时，接箍磨蚀最小；而无论与哪种接箍对磨，涂层油管最耐磨，并且与非调质钢(FG20)接箍磨蚀时，接箍最耐磨。

Also the company's new products solid flowmeter, twin-screw compressors, G-type single screw pump, and so on in the trial had been completed, and of mass production capacity.

另外我公司的新产品固体流量计、双螺杆压缩机、G型单螺杆泵等均已完成中试，并形成批量生产能力。

In Beijing Shijingshan, is a new technology research and development, promotion and consulting-based private high-tech enterprises, the company's main products are environmentally-friendly coal slurry boiler, solid flow meter, twin-screw compression And a single screw pump and other G-type.

北京宇明洋高新技术有限公司位于北京市石景山，是一家以新技术的研发、推广和咨询为主的民营高新技术企业，公司的主导产品有水煤浆环保锅炉、固体流量计、双螺杆压缩机和G型单螺杆泵等。

The GT500's ride was a blast thanks to the MacPherson struts with their reverse L lower control arm, and 34mm stabilizer bar in front, as well as the three-link solid axle with coil springs and panhard rod and twin tube gas-charged shocks in the back.

在GT500的游戏机是一个爆炸感谢麦克弗森支柱其扭转L降低控制臂，稳定杆和三四毫米前面，以及三环节扎实轴与螺旋弹簧和潘哈德杆和双管气被控冲击在回来。

double pendulum ; gravity free system ; rigid rod ; energy level set ; KAM theory

图 1 双摆模型其中 Pg 中的 g表示系统处于重力场，细杆 OA的质量和长度分别为 m1，l1，细杆 AB的质量和长度分别为 m2 、l2 ，质点 A和 B的质量分别为 m A，m B，系统Pg 绕固定点 O作平面运动

A new method is proposed,in which a cylindrical worm is ground by a dressing gear under the condition of two degrees of freedom movement.

提出一种用修磨轮双自由度精化圆柱蜗杆的新方法，运用空间啮合原理对该方法进行了理论分析，推导出若干啮合分析方程式，从理论上验证并得出了用渐开线齿轮形修磨轮可精化出渐开线圆柱蜗杆的结论。

This type of truss has a *** outline and a small number of web members.The web plate of Cut-T-section chord may be used as gusset plate,so the truss has good economy and is easy to fabricate.

此种三角形钢屋架形式简单，腹杆数目少，T型钢弦杆的腹板兼做节点板，经济性好，安装方便。

From 2002 to start on several well-known domestic manufacturer of hydraulic hammers matching supply hydraulic hammer drill rod, solder-Block, sets, flat sales, and other fragile items.

从2002年就开始向国内几家知名液压锤生产厂家配套供应液压锤钎杆、钎杆座、套、扁销等易损件。

The main agent of the Company's brand power has Germany Atlas family of products; the United States DEWALT electric products; Taiwan Black steam-driven tools, steam-driven tools OP Taiwan, Taiwan AIRBOSS steam-driven tools, such as steam-driven products; American Danaher "Cedel" hand tools series products; Japan Maeda (Japan dragged Nigeria hand tools); LD Screw Machine Products; Kaishan screw machine, firewood motivation products; HL Welding equipment product line; Matsushita Welding equipment Products ; Golden Elephant grinding wood products; Japanese fan license granted Tsui products.

本公司主要代理的品牌有德国Atlas电动系列产品；美国得伟电动系列产品；台湾黑牛汽动工具、台湾OP汽动工具、台湾亚柏士汽动工具等汽动系列产品；美国丹纳赫&世达&手工具系列产品；日本前田；LD螺杆机系列产品；开山螺杆机、柴动机系列产品；HL焊割设备系列产品；日本松下焊割设备系列产品；金象研磨材系列产品；日本扇牌批咀系列产品。

Chuzhou·Chaoyang Construction Machinery Factory is a professional engineering machinery breaking hammer supporting manufacturers, to adapt to changes in the market, specially invited more than heat treatment engineer successfully developed a series of drill rod license Chaoyang, Chaoyang Brand drill rod special alloy steel materials, the use of domestic precision processing technology and advanced gas shielded Korea, nitride special heat treatment technology to ensure outstanding product performance and service life.

滁州市全椒朝阳工程机械厂是一家专业工程机械破碎锤配套制造商，为适应市场变化，特聘请多名热处理高级工程师，成功开发出朝阳牌系列钎杆，朝阳牌系列钎杆采用特殊的合金钢材料，采用国内精密工艺技术加工和先进的韩国气体保护、氮化热处理特殊技术制造，从而保证了产品杰出的性能和使用寿命。

It was Napoleon, the immense somnambulist of this dream which had crumbled, essaying once more to advance.

那人便是拿破仑，梦游中的巨人，他还想往前走，去追寻那崩塌了的幻境。

This method alleviates the highly dependent on domain knowledge experts. The quality and efficiency of the KBS were improved.

使用这种设计方法减小了对领域知识专家的严重依赖，提高了知识系统开发的质量和效率。