cylindrical ball mill

例句：

1. 1. The cylindrical shapeof the pipe makes it easy to connectto other pipes.
   这种管道的圆柱形状使得它与其他管道连接起来变得容易。
2. 2. Thecylinder-shaped object is used for storingliquids.
   这个圆柱形物体用于储存液体。
3. 3.The cylinder-shaped structure is designed towithstand high pressure.
   这种圆柱形结构设计用来承受高压。