porcelain roller

例句：

1. 1. The porcelain roller isused to smooth the surface of the pottery.
   瓷器滚筒用于平滑陶器的外表。
2. 2. The porcelain roller was apopular tool in the ancient Chinese pottery industry.
   瓷器滚筒是古代中国陶器业中受欢迎的工具。
3. 3. Theporcelain roller isnow used for decorative purposes onmodern ceramics.
   瓷器滚筒现在被用于现代陶瓷的装饰用途。