您要查找的是不是：
- Friction pulley linings for winches and winders in mining 矿井提升机和卷扬机用摩擦轮衬垫
- Our flag is raised to the top of a pole by a rope and two pulley. 我们的旗帜被用一根绳子和两个滑轮升到了竿顶。
- Friction causes a rolling ball to stop finally. 摩擦力使滚动的球最终停了下来。
- 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。
- friction pulley cloth 涩带呢
- friction pulley 摩擦轮
- 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。
- The lifting device is a system of rope and pulley. 这种起重装置是由缆索和滑轮组成的。
- They reeved the rope through the pulley. 他们把绳索穿过滑轮。
- The lower part of a pulley block. 滑车组较低的一部分
- Matches are lighted by friction. 火柴由摩擦而生火。
- The belt started wrapping up on the tractor pulley. 皮带开始绕在拖拉机的皮带轮上。
- 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。
- Permitting rotation, as a pulley or pivot. 允许旋转的，如滑车或枢轴
- A friction match with a large head capable of burning in a wind. 耐风大头火柴一种能够在风中燃烧的通过磨擦点火的大头火柴
- The pulley of the clothes line jumped the track and Mother's washing fell down. 晾衣服绳子的滑轮脱绳了，妈妈洗的衣服掉了下来。
- Put the V belt on the pulley of the sewing machine. 首先把V形皮带挂到缝纫机皮带轮上。
- Friction lowers the efficiency of a machine. 摩擦减低机器的效率。
- Pulley bearings are frictionless. 滑轮轴承是无摩擦的。
