国产在线欧美在线日韩专区_午夜亚洲日韩精品一区二区_国产在线视频二去三区夏幕_国产AV无码国产AV毛片_草草视频在线观看最新_人妻 自慰 偷窥 无码_高清少妇中文日本_美女被啪啪到高潮视频免费_免费人妻中文字幕_538在线国产在线

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.