Different laser cutting roller wheel for matching different structure.

各类激光切割滑轮架，形状不一，搭配效果极佳；

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The seeder roller wheel has the advantages of simple structure, convenient use, and high seed rate and meets the needs of seeding for different crops at the same time.

结构简单，使用方便、播种率高的同时又能满足播种不同作物的作物 的优点。

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Roller wheel and carrier rod protection system is a new pattern protection system which designed by the Research Institute of Mechanical for The Port, WuHan University of technology.

滚轮顶杆式断缆锁紧装置是武汉理工大学港机研究所开发的一种新型断缆锁紧保护装置。

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Compared with Nascar's traditional oval tracks and closed wheel cars, every F1 circuit is a winding roller coaster and every car a unique open-wheel marvel of technology.

WSJ: 2012 U.S. Grand Prix: The Best Little Road Course in Texas

The London Eye opened in 2000 and started the trend, which continues with the High Roller and with attractions like the smaller 360 Pensacola Beach, a 200-foot-high observation wheel overlooking the Gulf of Mexico, which just opened in early July.

FORBES: World's Largest Ferris Wheel, "The High Roller," Is On Its Way To Las Vegas