国产精品亚洲片在线-亚洲熟妇丰满xxxxx国语-japan高清日本乱xxxxx-欧美日韩国产免费一区二区三区,

Laser cutting machine is a device that uses high-energy laser beams to cut materials. Its advantages include high precision, smooth cutting edges, and no need for secondary processing; Fast speed, production; Can cut various materials, including metal, plastic, glass, etc; No need for cutting tools, reducing tool wear and replacement costs. Disadvantages include: high equipment costs and high maintenance costs; Required operators for operation and maintenance; Has a certain degree of pollution to the environment; Heat is generated during the cutting process, which may affect the cutting quality.