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- Each unit has a pair of cams, with an anti - friction roller for each cam. 每两对凸轮之间有一定的间隔,每一组凸轮中包括一对凸轮,每个凸轮对应一个减摩转子。
- On a typewriter,a metal rod with a friction roller designed to hold the paper firmly against the platen above the typing position. 打字机上的一根金属棒，它上面带着摩擦滚轮，用来在打字位置上方把纸压紧在压纸卷筒上。参阅platen。
- On a typewriter, a metal rod with a friction roller designed to hold the paper firmly against the platen above the typing position. 打字机上的一根金属棒，它上面带着摩擦滚轮，用来在打字位置上方把纸压紧在压纸卷筒上。参阅platen。
- It adopts a friction drive mechanism comprised of 4 steel cables and internal damping friction roller as its actuating mechanism. 该机工作执行机构是4根钢丝绳与内减速摩擦滚筒组成的摩擦传动机构。
- Friction roller type intelligent pumping unit 滚筒式智能抽油机设计
- Total power on friction rollers Kw 摩擦驱动轮总电机功率
- The ride on the roller coaster dizzied us. 乘坐云霄飞车使我们头晕。
- Friction causes a rolling ball to stop finally. 摩擦力使滚动的球最终停了下来。
- May I borrow your roller skates? 我可以借你的旱冰鞋吗？
- Constant friction wore out the heels of my shoes. 不断的摩擦磨损了我的鞋跟。
- Friction between two sticks can create a fire. 两个棍棒相互摩擦能起火。
- Clattering along on roller skates. 踩着轮式溜冰鞋行进
- In the absence of friction belted machinery would not be used. 没有摩擦力，皮带传动的机器就无法使用。
- A road roller is used in making and repairing roads. 压路机是用来修筑道路的。
- On a typewriter, a metal rod with a friction roller designed to hold the paper firmly against the platen above the typing position 打字机上的一根金属棒,它上面带着摩擦滚轮,用来在打字位置上方把纸压紧在压纸卷筒上。
- It is to reduce friction that roller bearings are used. 正是为了减少摩擦，才使用滚珠轴承。
- A steel tube or wooden roller on which the warp is wound in a loom. 卷轴织机上的铁管或木轮，供经线缠绕之用
- Matches are lighted by friction. 火柴由摩擦而生火。
- There is a great deal of friction between the management and the work force. 劳资双方之间存在大量矛盾。
- They used a steam roller to iron out the road. 他们用蒸汽压路机压平了路面。
