采用机械结构传动，上滚轮可与机器同步运转。
Upper feed roller is driven simultaneously by the mechanical transmission mechanism.
上滚轮座可掀式设计，方便滚轮的清洁与保养；
The head pulley place may raise the type design, the side Then hoop clean and maintenance;
用户也能通过笔记本屏轴上的一个滚轮来进行控制。
微软也做了一个25周年庆的网站,基本上就是他们硬件产品的总览.我费了很大力气去寻找我那心爱的滚轮鼠标,但是很不幸没找到.
The company also has a 25th Anniversary site up that's basically just a venue for hawking their hardware products—I looked in vain for a picture of my beloved scroll wheel mouse, but had no luck.
刚开始我把文件放在卧室地板上，使用一张带滚轮的电脑桌办公。
At first I kept my work papers piled on the bedroom floor and used a little computer desk on rollers.
采用扇形不完全齿轮传动送料轮轴上的齿轮来完成，上、下滚轮的转速相同，但旋转方向相反。
The gear wheel is used to complete the rotation speed of the upper and lower rollers, but the rotation direction is opposite.
机械部分：本文主要详细介绍了机械手及行走机构、珩架拖动小车、珩架、卷扬机、上支架、下支架、滚轮等的设计。
Parts of the mechanical structure: this chapter introduced the design of manipulator and bogie phoning trailer honing rack, windlass, upper support frame, low support frame and roller etc in detail.
一种用于抽屉的滑轨装置，是由固定滑条、移动滑条和由装在其滑条上的滚轮组成。
The utility model discloses a slide rail device for drawers, comprising fixed slide bars, movable slide bars, and rolling wheels which are arranged on the slide bars.
动力机由支 架上的滚轮支撑于微型割晒机机架的导轨上，动力机的移动带着切 割刀具沿导轨作横向切割；
The power machine is supported on a guide rail of the minisize windrower frame by rollers; and the movement of the power machine drives the cutter to move transversally along the guide rail;
文中在详细介绍其分节式结构和优点的基础上，详细分析了滚轮的受力情况。
On the basis of its segmented construction and advantages, the forces applied on the wheels were analyzed.
一种双滚轮棒料移送装置，是在机架的上面安装上上同步轴与下同步轴；
The invention discloses a bar transfer device with two rollers. In the invention, an upper synchronizing shaft and a lower synchronizing shaft are arranged on a machine frame;
鼠标主体具有一前端、一尾端及一底部，且在底部上具有滚轮。
The main body has a front end, a tail end and a bottom with a roller.
机架上还装有上挡泥板、固定连接臂、后挡板和滚轮装置。
An upper fender apron, a fixing and connecting arm, a rear baffle and a roller device are also installed on the rack.
机架上还装有上挡泥板、固定连接臂、后挡板和滚轮装置。
An upper fender apron, a fixing and connecting arm, a rear baffle and a roller device are also installed on the rack.
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