您要查找的是不是：
- polygonal pulley 多边形滑车
- A polygon whose angles are equal. 等角多边形各角都相等的多边形
- 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。
- A polygon with ten angles and ten sides. 十边形有十个角和十条边的多边形
- 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。
- A polygon having five sides and five interior angles. 五边形有五条边和五个内角的多边形
- 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
- Boundaries of the polygon may extend to infinity. 多角形的边界可以延伸到无穷远处。
- The belt started wrapping up on the tractor pulley. 皮带开始绕在拖拉机的皮带轮上。
- Permitting rotation, as a pulley or pivot. 允许旋转的，如滑车或枢轴
- 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。
- Fills the polygonal area on the screen. 填充屏幕上的多边形区域。
- 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。
- The grains take on simple polygonal. 颗粒呈简单的多角形。
- Xiao Yun : It is an irregular polygon. 小云：它是一个不规则的多边形。
- A polygon with eight sides and eight angles. 八边形，八角形有八条边和八个角的多边形
- Pulley bearings are frictionless. 滑轮轴承是无摩擦的。
- NINGBO CIGUANG SYNCHRONOUS BELT PULLEY CO., LTD. 宁波慈光同步带轮有限公司。
- All the stars will be wells with a rusty pulley. 所有的星星都将是带有生了锈的辘轳的井。
