The phenomenon of conveying seeds out of time, which is caused by enhancing the rotary speed of the rolling cylinder can not occur.

本实用新型不会因滚筒转速提高而造成输种不及时。

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The double moved cylinder pretreating-machine clears away the nonidentical substance adhering to the surface of lump-shaped objects via centrifugal rolling friction collision.

双动滚笼式螺旋预处理机是通过对块状物体的离心滚动摩擦碰撞，清除其表面的非同质附着物。

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This paper introduces the process of repairing hydraulic cylinder by using boring and rolling combined working technology, working quantity is steady and production efficiency is high in this method.

介绍了用镗滚压复合加工技术修复液压缸筒的过程，此法修复缸筒质量稳定，生产效率高。

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After years of offering only high-power, high-consumption six-, eight-, and 12-cylinder engines, BMW, Land Rover and Mercedes-Benz will start rolling out efficient four-cylinder engines in the United States this year.

FORBES: New Baby Benz a Sign of Things to Come: Efficient Luxury

Place the fig paste on a sheet of aluminum foil and shape it into a rough 6-inch log, then wrap it tightly in the foil, rolling to shape it into a perfect cylinder.

NPR: Recipe: 'Good Day for a Picnic'