It won't grind down any finer than this.

不能磨得比这个再细了。

It won't grind down any finer than this.

不能磨的比这个再细了。

Roll grinder a special lathe used to grind down or resurface rubber applicator rolls.

辊子打磨---特殊的车床用来磨去和涂布辊的表面。

It would be necessary to "grind down" the size of these abutment teeth to prepare them for crowns.

需要将作桥墩的牙磨掉一些，准备套上金牙冠。

Mills used to use heavy stones to grind down the wheat into flour, now they use more modern machine.

过去，磨坊用沉重的石磨把小麦碾成面粉，现在则使用了现代化的机器。