blade sharpening machine

例句：

1. 1. This blade sharpening machine is very efficient at removing rust from metal surfaces.
   这台刀片磨光机非常高效，能从金属表面去除锈。
2. 2.The professional technicians use this machine to sharpen all types of blades for their customers.
   专业技术人员使用这台机器为客户磨利所有类型的刀片。
3. 3.The owner of the shop recommends this machine as a must-have tool for any kitchen or industrial work.
   这家商店的老板推荐这台机器作为任何厨房或工业工作的必要工具。