有轮的

In order to promote the development of speed roller skating smoothly and orderly in our country, and improve the competitive level of our country, we should study the affecting factors for the development of speed roller skating of our country.

为了更好地推动速度轮滑运动在我国稳步而有序地发展，提高我国速度轮滑的竞技水平。有必要对影响我国速度轮滑运动发展的因素及对策进行研究。

You should be careful in ordering a very inexpensive brush made with untempered wire may last only 30% as long as high tempered, quality brush wire.

价格较低的轮刷，其刷丝缺乏韧度，使用寿命也只有高韧度、高品质轮刷的30％大部分轮刷都有直径为2英寸的轴心孔(转接器的轴可从其中穿过)，刷轴边宽为1/ 2至1英寸

At first, an ordinary gear train composed of two gear pairs is analyzed. The constituting principle and the equivalent gear pair of a ordinary noncircular gear train are studied under two assembling circumstances, including phase angle exists between two gear pairs or not.

以分析两对齿轮副构成的定轴轮系为非圆齿轮机构分析的起始点，本文首先分析了两对齿轮之间有相位角与无相位角两种安装情况下，定轴轮系的构成原理与轮系等价齿轮副的传动关系。

The traditional pin-cycloid planetary drive has a series of essential advantages such as small volume, light weight, wide range of speed ratio, high efficiency, and quiet operating as well. On the other hand, it has a natural weak point that the tumbler bearing, which supports the cycloidal gear on the arm is placed inside the cycloidal gear, therefore the size of the bearing is restricted due to the geometry of the gear.

摆线针轮行星传动具有体积小，重量轻，传动比范围大，传动效率高，传动平稳且可靠等一系列优点，但它也有一薄弱环节，即转臂轴承处于摆线轮上输出机构的内部，径向尺寸受到限制，从而限制了摆线针轮行星传动更充分地发挥其承载能力。

Zhongcheng tools co.,ltd gathered one strong group of technicians and one paseel of workers with profound working experiences,cooperating with the scientific reseach units and universities etc,which make the company own strong capacity to investigate ,develop and produce varities of demond tools with different purposes.the products of the company cover diamond abrasive wheels stone surface shape wheels,irregular stone machining tool.drill head,diamond saw blade,ceramic and diamond tools tec many types,which is mainly suitable for deep machining of granite,marble,concret,fire proof matetials,esphalt,ceramic and glass materials etc .the excellent performance of the products has dot high apraisement of all the domestic and overseas circles.

上海凯锐众成工具有限公司聚积了一支雄厚的技术队伍和一批有丰富工作经验的工人，与科研单位、高级院校合作、具有强大的研究、开发、生产各种不同用途的金刚石工具的能力。公司现有多种产品，金刚石磨轮、石材表面形状轮、异性石材加工工具、钻头、金刚石锯片、陶瓷金刚石工具等、主要用于花岗石、大理石、混凝土、耐火材料、沥青、陶瓷及玻璃材料的深加工中。产品的优越性能，得到国内外的一致好评。在中国每四只磨轮中有一只是本公司生产

For seven months potential crews (each with eight oarsmen and a cox) undergo two intense sessions every day, one on the water and one on indoor rowing machines or ergometers.

准队员们（每个队有八名桨手和一名舵手）在几个月内每天都要经历两轮高强度的集训。一轮在水上，一轮在室内划船机或测力计上。

Our main products are printing presses roll, trademark machine roller, roller grinder, roller laminating machine, UV varnishing roller, roller iron Printing, Lamination machine roller,÷±Machine PU wheel, roller granulator, Wood Sanding roller, glue roller, planed on all sides round, round of feeding, conveyor roller, roller peritoneal Electronics, rosin rollers, silicone rollers, electroplating, roller, roller, etc.

我们主要的产品有印刷机辊，商标机辊，磨光机辊，复膜机辊，UV过油辊，印铁辊，贴合机辊，削薄机PU轮，切粒机胶辊，木业砂光辊，涂胶辊，四面刨轮，送材轮，输送辊，电子腹膜辊，松香辊，硅胶辊，电镀辊，镜面辊等。

On the Commerce of new and used equipment on the market of more than one, the industry is saying there is of the view that to compete in the open, but also of the view that 1973, however, we all admit that passive ' rationalised and commerce market continues to be seriously affected.

差商轮阛阓上陈不陈摆设的撤离比，业界说法各一有觉得五五闭，也有觉得七三闭，但不小家都认可二手商轮不曾而且还是是商轮阛阓重不小的感化气力。

By each gear wheel system is a fixed geometric axis is divided into a fixed axis and the epicyclic gear train, epicyclic gear train again planetary gear train and differential gear train.

按轮系中各齿轮的几何轴线是否固定分为定轴轮系和周转轮系，周转轮系又有行星轮系和差动轮系。

It has a self-deployment road range of 400 km on 180 litres of diesel,power being provided by a 97 kW turbocharged, watercooled, six-cylinder Cummins 6BT5.9-C130 engine driving through a ZF 6WG160 programable transmission with selectable two-or four-wheel drive.

动力装置为一台康明斯公司生产的97千瓦6BT5.9-C130型6缸水冷涡轮增压柴油机。采用ZF6WG160型自动变速箱，有2轮或4轮驱动两种方式。油箱容量180升，最大公里行程达400千米。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐