folding rollers

例句：

1. 1. The folding rollers are used to fold paper into a neat shape.
   折叠辊用于将纸张折叠成整齐的形状。
2. 2. The folding rollers are essential for creating professional-looking presentations.
   折叠辊对于制作专业外观的演示至关重要。
3. 3. The folding rollers are easy to use and can be adjusted to fit different sizes of paper.
   折叠辊易于使用，并且可以调整以适应不同尺寸的纸张。