burr and chip clearance

例句：

1. 1.The machine has a roller and chip clearanceof 2 mm.
   这台机器的滚轮和碎屑间隙为2毫米。
2. 2. The operator needs to ensure that theroller and chip clearance is maintained at alltimes.
   操作员需要确保始终维护滚轮和碎屑间隙。
3. 3. Themanufacturer claims that their producthas a roller and chip clearanceof up to 5 mm.
   制造商声称其产品具有高达5毫米的滚轮和碎屑间隙。