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The main drive system uses the main axle motor (FANUC, the 25/20HP), and coordinated with the German ZF the double section type gearbox, it can do transmissions directly by tooth-shaped belt, which is steady and more efficiency (surpasses 95%). The double section type gearbox expanded the ranges of the

主传动采用FANUC 25/20HP主轴马达，并配合德国ZF双段式齿轮箱直接通过齿形皮带传动，传动平稳，而且效率高（超过95%）。

According to the principles of tooth meshing and manufacturing helicoi ds, a mathematics model is constructed to reflect the manufacture process of nut , and the formula of the grinding wheel section is developed. The parameters of the section are obtained through numeral arithmetic; moreover the parameters of the dresser are worked out. Based on these work, the solid model of the ball scr ew nut, grinding wheel and tooth dresser are developed in the Pro/E software, wh at's more, the process of the dressing...

根据螺旋面加工原理、齿形啮合原理及回转面砂轮加工螺母工艺建立了相应的数学模型，并推导出砂轮截形的计算公式；采用数值计算方法求解砂轮截形参数，进一步得到修整器靠模板的参数；在此基础上，利用Pro/E软件对大导程滚珠丝杠螺母、砂轮和砂轮修整器进行了实体建模，并对砂轮的修整过程和螺母的加工过程进行了运动仿真，有效地验证了砂轮截形的计算结果。

Beilier so weak, certainly not like black people braving the shaman as hard put magic swords, and because of his running speed comparable tip of movement, and only one wing, and not only not be able to run like a section of the angels, as a section of no angel born divine law.

贝利尔如此柔弱，肯定不能像黑巫师那样顶着别人的刀剑硬放魔法，加上他跑步速度堪比冰山运动，翅膀又只有一只，不但没法像法天使那样跑一段打一段，更没有法天使天生的神力。

As each section of the triangle strip is extruded, it is given an alpha value based upon how much time has elapsed between the time represented by this section of the strip and the current time (the triangle in the middle of the forwards and backwards strip).

在三角条带的每一段都被抽取出来后，它被赋予一个 Alpha 值，该值由这个条带代表的时间和当前时间的时间（处于过去条带和将来条带之间的三角形代表的时间）差来决定。

This paper brings forward a new cutting mode, three-bar mechanism, in which a kind of controllable telescopic equipment is added on the original circular-section shield. It can cut any kind of section.

提出一种三杆切削机构，它在原有圆形盾构刀盘上加装可控制的伸缩机构，完成任意断面的切削，结构简单实用。

A new anchorage system for girder to obtain pretension stress at section top-edge in middle of span is shown. Based on the research of bi-prestressing beams inside test-room and the test of the prestress bar character, method for calculating the full size gird and choosing section are proposed. A new-style corrugated pipe which is shown in the paper is used, to solve the transformation of compressed thread bar and the contradiction between loss of friction resistance and pumping in pipe.

本文通过大量的试验及研究分析，提出了双预应力梁跨中上缘获得预拉应力的新的传力锚固体系；通过对室内双预应力混凝土小梁的研究，检测了预压钢筋的受力性能和预压过程中的某些影响参数；提出了足尺梁计算方法和截面、跨径选择方法；研制了新型哑铃型波纹管，很好地解决了预压钢筋变形、摩阻损失和管道压浆之间的矛盾；通过对30？

"Later airplane design was affected by the development of the jet engine; most airplanes today have a long nose section, swept-back wings with jet engines placed behind the plane's midsection, and a tail stabilizing section."

后来飞机设计受喷射发动机的发展影响，大部分现代的飞机有一个长鼻机身，向后斜的机翼带有喷射发动机安置在飞机中段部分，尾部是安定器。

"Later airplane design was affected by the development of the jet engine; most airplanes today have a long nose section, swept-back wing s with jet engines placed behind the plane's midsection, and a tail stabilizing section."

后来飞机设计受喷射发动机的发展影响，大部分现代的飞机有一个长鼻机身，向后斜的机翼带有喷射发动机安置在飞机中段部分，尾部是安定器。

Long- short axis is one of the most simple, prompt and operational methods among the limited deformation methods in outdoors. It requires studies as a circular section or circular section of strain ellipsoid and normal distribution before their deformations .

摘 要：岩石有限应变测量的方法较多，相比之下，&长短轴法&最简单、快捷，野外易于操作，但是对所选的对象变形前要求近圆形，或者椭圆形，且随机分布。

Long-short is one of the most simple, prompt and operational methods among the limited deformation methods in outdoors. It requires studies as a circular section or circular section of strain ellipsoid and normal distribution before their deformations.

岩石有限应变测量的方法较多，相比之下，&长短轴法&最简单、快捷，野外易於操作，但是对所选的对象变形前要求近圆形，或者椭圆形，且随机分布。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。