8.Philately pingpong roller skating reading and music.
集邮乒乓球轮滑读书和音乐。
9.He loves roller skating.
他喜爱穿四轮滑冰鞋滑冰。
10.She put her hair in rollers to make it curl.
她用卷发夹子把头发弄鬈曲。
11.The great Atlantic rollers surged in.
大西洋的巨浪翻滚到岸边。
12.In general,the cylindrical roller bearings, belonging to axial discerptible bearing,are suitable only for sustaining radial loads.The contact of roller with race is linear.
圆柱滚子轴承一般只用于承受径向负荷，滚子与套圈滚道为线性接触，属轴向可分离型轴承。
13.the presence of roller blinds obviated the need for curtains.
有卷帘百叶窗就不需要窗帘了。
14.A steam roller is used in making and repairing roads.
蒸汽压路机用来修筑道路。
15.Compared with silicium roller, it's quicker and more economy.
相对硅辊来说，既快又省；
16.The calculating machine of industry was the core of the diathermanous roller machine system.
传热轧管机控制系统以工控机为核心。
17.Double Rollers Crusher is used to crush clunch and partial shales for brick enterprises. It has two rollers to circumrotate in reverse. The clunch between rollers are crushed by extrusion.
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飞
；卷叶虫
