watermarking dandy roll

• 水印辊

watermarking dandy roll的用法和样例：

例句

1. The traditional formation tool on older slow-speed machines was the dandy roll.
   在老式传统的纸机上应用的成型工具是水印辊。
2. At the ingoing side, there is compression of the sheet between the dandy and the wire.
   在旋转方向内侧，水印辊和网子中间的湿纸页受到一定的挤压作用。