梯形

The early facility for mill dust production mostly was ball mill,then air classification ,that is the ball mill with air classifier.For ball mill,not only the noise is big but also the productivity is low.In this article,the composition,Characteristics and the operational effect of 6R trapezoid mill which was applied by Shandong Chenyang Carbon Stock Co.

针对国内外炭素行业早期磨粉用球磨机及后来又开发的风扫磨，即球磨机加风选系统在运行中存在噪声大，出粉率低，投资大等缺点，山东晨阳碳素股份有限公司经多方考察6R 梯形磨，在炭素生产中采用了梯形磨粉系统。

But the real focus of shoring in hard rock, the rock Zaocheng a trapezoidal shape of right-angle look, and then insert-beam, and right-angle ladder to fully close some acute angle, using principles of mechanics into a half-beam as the base.

而真正的重心撑在坚硬岩石里，岩石凿成了形似直角梯形的样子，然后插入飞梁，使其与直角梯形锐角部分充分接近，利用力学原理半插飞梁为基。

The tail flats are high-mounted on the body and equally tapered.

高翼位尾平翼安装在机身上并呈梯形，尾直翼也呈梯形。

We also use the microprism to design a 1×3 branch optical waveguide structures.

论文中所设计的结构有正梯形结构、反梯形结构，以及六角形结构三种不同的1×3的光功率分配器。

The company mainly produces plastic-steel windows and doors equipment, aluminum doors and windows equipment, hollow glass equipment and various machine parts (such as various types of trapezoidal screw, wire mother, worm, slender shaft, rod, rail axis, and trapezoidal screw The domestic production capacity is currently living in the forefront of the industry, up to 10 metres in length and above), forming a comprehensive machinery manufacturing company, China's industry production machinery plastic window of complete sets of equipment one of the major manufacturers.

公司主要生产塑钢门窗设备、铝门窗设备、中空玻璃设备及各种机床配件如各类梯形丝杠、丝母、蜗杆、细长轴、活塞杆、导轨轴等，且梯形丝杠的生产能力目前已居于国内同行业前列，长度可达十米以上），形成了一个综合性机器制造公司，成为中国塑窗行业生产机械成套设备的主要厂家之一。

The double ends of central tube is penetrated into pipe union nut, chuck ring and seal ring in turn, and the central tube is penetrated into ladder-shaped public connection, push the seal ring and chuck ring of double end into the ladder-shaped public connection separately, the thrash pipe union nut is heave, is credible tight connection.

将中心管两端依次穿入由壬螺母、压环、密封圈，并将中心管穿入梯形公接头内，分别将两端的密封圈，压环推入梯形公接头内，锤击由壬螺母凸起，即可靠密封连接。

The double ends of central tube is penetrated into pipe union nut and seal ring in turn, and the central tube is penetrated into ladder-shaped public connection, push the seal ring and chuck ring of double end into the ladder-shaped public connection separately, the thrash pipe union nut is heave, is credible tight connection.

将中心管两端依次穿入由壬螺母、密封圈，并将中心管穿入梯形公接头内，分别将两端的密封圈，压环推入梯形公接头内，锤击由壬螺母凸起，即可靠密封连接。

The double ends of central tube is penetrated into pipe union nut,chuck ring and seal ring in turn, and the central tube is penetrated into ladder-shaped public connection separately,the thrash pipe union nut is heave,is credible tight connection.

将中心管两端依次穿入由壬螺母、压环、密封圈，并将中心管穿入梯形公接头内，分别将两端的密封圈，压环推入梯形公接头内，锤击由壬螺母凸起，即可靠密封联接。

A top loaded antenna is provided that is composed of a triangular-shaped resonator and a dielectric substrate.

一种顶端负载之类梯形平面天线，其中，顶端负载之类梯形平面天线形成在一基板表面，并藕接至一射频电路。

The ADAMS software and kinematics theory are applied to design the hydraulic steering mechanism of the SGA3550 track, with bottom angle of steering trapezoid and the trapezoid arm length as design parameters, minimum error between theoretical steering angle and practical one as objective function.

利用动力学分析软件ADAMS，从汽车转向运动学出发，对SGA3550自卸式汽车全液压转向机构进行设计。以汽车转向时实际转角与理论转角的误差最小为目标函数，以转向梯形底角和梯形臂长为设计参数，对转向机构进行了优化设计。

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。