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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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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The reshaping device comprises a hydraulic positioning disk, a hydraulic reshaping disk, a walking roller wheel and an extra high pressure hydraulic power station system positioned outside the device.

包括液压定位盘、液压整形盘、行走滚轮及位于装置外部的超高压液压动力站系统。

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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