In international pattern match, double row wheel roller skates are specified with his shoe.

在国际花样比赛上，双排轮旱冰鞋是指定用鞋。

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Structure design of smooth wheel roller with variable linear load, which is new and special, is introduced, the changing characteristics and practical use of the roller are discussed.

介绍了一种独特新颖的可变线载荷刚性光轮压路机压轮碾压面的结构设计，探讨了此结构压轮的线载荷变化特性及实用性。

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Play the 2,125,000 vehicles, roller coaster, Ferris wheel, and so on.

玩了碰碰车，过山车，摩天轮等。

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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