plate mill stand

例句：

1. 1.The engineer used the plate mill stand to make the metal plates smoother.
   工程师使用平板磨床使金属板变得更光滑。
2. 2.The plate mill stand is essential for grinding and polishing metal workpieces.
   平板磨床对于金属工件的研磨和抛光至关重要。
3. 3.The plate mill stand has a high precision and can produce very thin metal sheets.
   平板磨床具有高精度，可以生产非常薄的金属板材。